html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <style> body,html{ margin: 0; padding: 0; height: 100%; } #canvas { border:0.01rem solid #f30; } #canvas-btn{ display: block; margin: 0; padding: 0.13rem; } #clear_btn{ width: 80%; background: #ca4341; margin: auto; text-align: center; line-height: 1rem; margin-top: 0.27rem; color: #fff; border-radius: 1.31rem; clear: both; } #save_btn{ width: 80%; background: #4cd964; margin: auto; text-align: center; line-height: 1rem; margin-top: 0.27rem; color: #fff; border-radius: 1.31rem; clear: both; } </style> </head> <body> <canvas id='canvas'></canvas> <div id="canvas-btn"> <div id="clear_btn" class="op_btn">重画</div> <div id="save_btn" class="save_btn">保存</div> <div class="cleaerfix"></div> </div> <script type="text/javascript" src="js/flexible.debug.js"></script> <script type="text/javascript" src="js/zepto.js"></script> <script type="text/javascript" src="js/touch.js"></script> <script type="text/javascript" src="js/flexible.debug.js"></script> <script type="text/javascript" src="js/flexible_css.debug.js"></script> <script> //获取页面尺寸 var canvasWidth = document.body.clientWidth; var canvasHeight = canvasWidth; //声明canvas var canvas = document.getElementById('canvas'); var context = canvas.getContext('2d'); //设置canvas尺寸 canvas.width = canvasWidth * 0.98; canvas.height = canvasHeight; //画笔颜色 var strokeColor = "#000"; //鼠标 isMouseDown = false; //上一次绘制的的坐标 var lastLoc = {x:0,y:0}; //初始记录事件 var lastTimestamp = 0; //上一次线条宽度 var lastLineWidth = -1; //var var maxV = 10; var minV = 0.1; var maxLineWidth = 5; var minLineWidth = 1; //点击色块切换画笔颜色 $(".colorBtn").on("click",function (e){ $(".colorBtn").removeClass('colorBtnBorder'); $(this).addClass("colorBtnBorder"); strokeColor = $(this).css(""); }) //清除 $('#clear_btn').on('click',function (e){ context.clearRect( 0, 0, canvasWidth,canvasHeight); }); //保存画图 $('#save_btn').on('click',function (e){ var image = canvasToImage(canvas); console.log(image); }); //获取canvas 坐标 x，y 分别代表相对window内的xy function windowToCanvas(x,y){ //canvas提供的方法返回canvas 距 他外围包围盒子的距离left,top值 var bbox = canvas.getBoundingClientRect(); //返回的就是canvas 内的坐标值 return {x : Math.round(x - bbox.left),y : Math.round(y - bbox.top)} } //封装 事件 function beginStroke(point){ isMouseDown = true; //第一次用户画的坐标初始值 lastLoc = windowToCanvas(point.x,point.y); //获取首次点击鼠标 事件戳 lastTimestamp = new Date().getTime(); } function endStroke(){ isMouseDown = false; } function moveStroke(point){ //开始绘制直线 var curLoc = windowToCanvas(point.x , point.y); //路程 var s = calcDistance( curLoc, lastLoc); //结束时间 var curTimestamp = new Date().getTime(); //时间差 var t = curTimestamp - lastTimestamp; //绘制线条粗细 var lineWidth = calcLineWidth(t,s); //绘制 context.beginPath(); context.moveTo(lastLoc.x ,lastLoc.y); context.lineTo(curLoc.x , curLoc.y); context.strokeStyle = strokeColor; context.lineWidth = lineWidth; context.lineCap = "round"; context.lineJoin = "round"; context.stroke(); //给lastLoc赋值维护 lastLoc = curLoc; //时间更新 lastTimestamp = curTimestamp; lastLineWidth = lineWidth; } //pc鼠标事件 canvas.onmousedown = function(e){ e.preventDefault(); beginStroke({x:e.clientX , y:e.clientY}); } canvas.onmouseup = function(e){ e.preventDefault(); endStroke(); } canvas.onmouseout = function(e){ e.preventDefault(); endStroke(); } canvas.onmousemove = function(e){ e.preventDefault(); if(isMouseDown){ moveStroke({x:e.clientX , y:e.clientY}); } } //移动端 canvas.addEventListener("touchstart",function(e){ e.preventDefault(); touch = e.touches[0]; //限制一根手指触碰屏幕 beginStroke({x:touch.pageX , y:touch.pageY}); }); canvas.addEventListener("touchend",function(e){ e.preventDefault(); endStroke(); }); canvas.addEventListener("touchmove",function(e){ e.preventDefault(); if( isMouseDown){ touch = e.touches[0]; moveStroke({x: touch.pageX , y:touch.pageY}); } }); //速度 = 路程 / 时间 用来计算书写速度来改变线条粗细 function calcDistance (loc1,loc2){ //返回 数的平方根 return Math.sqrt((loc1.x - loc2.x) * (loc1.x - loc2.x) + (loc1.y - loc2.y) * (loc1.y - loc2.y) ); } //线条宽度 function calcLineWidth(t,s){ var v = s/t; var resultLineWidth; if(v <= minV){ resultLineWidth = maxLineWidth; }else if(v >= maxV){ resultLineWidth = minLineWidth; }else{ resultLineWidth = maxLineWidth - (v-minV)/(maxV-minV)*(maxLineWidth-minLineWidth); } if( lastLineWidth == -1){ return resultLineWidth; }else{ return lastLineWidth*2/3 + resultLineWidth*1/3; } } // 将canvas转换成画布 function canvasToImage(canvas){ var image = new Image(); image.src = canvas.toDataURL("image/png"); return image; } </script> </body> </html>
fastclick.js
;(function () { 'use strict'; /** * @preserve FastClick: polyfill to remove click delays on browsers with touch UIs. * * @codingstandard ftlabs-jsv2 * @copyright The Financial Times Limited [All Rights Reserved] * @license MIT License (see LICENSE.txt) */ /*jslint browser:true, node:true*/ /*global define, Event, Node*/ /** * Instantiate fast-clicking listeners on the specified layer. * * @constructor * @param {Element} layer The layer to listen on * @param {Object} [options={}] The options to override the defaults */ function FastClick(layer, options) { var oldOnClick; options = options || {}; /** * Whether a click is currently being tracked. * * @type boolean */ this.trackingClick = false; /** * Timestamp for when click tracking started. * * @type number */ this.trackingClickStart = 0; /** * The element being tracked for a click. * * @type EventTarget */ this.targetElement = null; /** * X-coordinate of touch start event. * * @type number */ this.touchStartX = 0; /** * Y-coordinate of touch start event. * * @type number */ this.touchStartY = 0; /** * ID of the last touch, retrieved from Touch.identifier. * * @type number */ this.lastTouchIdentifier = 0; /** * Touchmove boundary, beyond which a click will be cancelled. * * @type number */ this.touchBoundary = options.touchBoundary || 10; /** * The FastClick layer. * * @type Element */ this.layer = layer; /** * The minimum time between tap(touchstart and touchend) events * * @type number */ this.tapDelay = options.tapDelay || 200; /** * The maximum time for a tap * * @type number */ this.tapTimeout = options.tapTimeout || 700; if (FastClick.notNeeded(layer)) { return; } // Some old versions of Android don't have Function.prototype.bind function bind(method, context) { return function() { return method.apply(context, arguments); }; } var methods = ['onMouse', 'onClick', 'onTouchStart', 'onTouchMove', 'onTouchEnd', 'onTouchCancel']; var context = this; for (var i = 0, l = methods.length; i < l; i++) { context[methods[i]] = bind(context[methods[i]], context); } // Set up event handlers as required if (deviceIsAndroid) { layer.addEventListener('mouseover', this.onMouse, true); layer.addEventListener('mousedown', this.onMouse, true); layer.addEventListener('mouseup', this.onMouse, true); } layer.addEventListener('click', this.onClick, true); layer.addEventListener('touchstart', this.onTouchStart, false); layer.addEventListener('touchmove', this.onTouchMove, false); layer.addEventListener('touchend', this.onTouchEnd, false); layer.addEventListener('touchcancel', this.onTouchCancel, false); // Hack is required for browsers that don't support Event#stopImmediatePropagation (e.g. Android 2) // which is how FastClick normally stops click events bubbling to callbacks registered on the FastClick // layer when they are cancelled. if (!Event.prototype.stopImmediatePropagation) { layer.removeEventListener = function(type, callback, capture) { var rmv = Node.prototype.removeEventListener; if (type === 'click') { rmv.call(layer, type, callback.hijacked || callback, capture); } else { rmv.call(layer, type, callback, capture); } }; layer.addEventListener = function(type, callback, capture) { var adv = Node.prototype.addEventListener; if (type === 'click') { adv.call(layer, type, callback.hijacked || (callback.hijacked = function(event) { if (!event.propagationStopped) { callback(event); } }), capture); } else { adv.call(layer, type, callback, capture); } }; } // If a handler is already declared in the element's onclick attribute, it will be fired before // FastClick's onClick handler. Fix this by pulling out the user-defined handler function and // adding it as listener. if (typeof layer.onclick === 'function') { // Android browser on at least 3.2 requires a new reference to the function in layer.onclick // - the old one won't work if passed to addEventListener directly. oldOnClick = layer.onclick; layer.addEventListener('click', function(event) { oldOnClick(event); }, false); layer.onclick = null; } } /** * Windows Phone 8.1 fakes user agent string to look like Android and iPhone. * * @type boolean */ var deviceIsWindowsPhone = navigator.userAgent.indexOf("Windows Phone") >= 0; /** * Android requires exceptions. * * @type boolean */ var deviceIsAndroid = navigator.userAgent.indexOf('Android') > 0 && !deviceIsWindowsPhone; /** * iOS requires exceptions. * * @type boolean */ var deviceIsIOS = /iP(ad|hone|od)/.test(navigator.userAgent) && !deviceIsWindowsPhone; /** * iOS 4 requires an exception for select elements. * * @type boolean */ var deviceIsIOS4 = deviceIsIOS && (/OS 4_d(_d)?/).test(navigator.userAgent); /** * iOS 6.0-7.* requires the target element to be manually derived * * @type boolean */ var deviceIsIOSWithBadTarget = deviceIsIOS && (/OS [6-7]_d/).test(navigator.userAgent); /** * BlackBerry requires exceptions. * * @type boolean */ var deviceIsBlackBerry10 = navigator.userAgent.indexOf('BB10') > 0; /** * Determine whether a given element requires a native click. * * @param {EventTarget|Element} target Target DOM element * @returns {boolean} Returns true if the element needs a native click */ FastClick.prototype.needsClick = function(target) { switch (target.nodeName.toLowerCase()) { // Don't send a synthetic click to disabled inputs (issue #62) case 'button': case 'select': case 'textarea': if (target.disabled) { return true; } break; case 'input': // File inputs need real clicks on iOS 6 due to a browser bug (issue #68) if ((deviceIsIOS && target.type === 'file') || target.disabled) { return true; } break; case 'label': case 'iframe': // iOS8 homescreen apps can prevent events bubbling into frames case 'video': return true; } return (/needsclick/).test(target.className); }; /** * Determine whether a given element requires a call to focus to simulate click into element. * * @param {EventTarget|Element} target Target DOM element * @returns {boolean} Returns true if the element requires a call to focus to simulate native click. */ FastClick.prototype.needsFocus = function(target) { switch (target.nodeName.toLowerCase()) { case 'textarea': return true; case 'select': return !deviceIsAndroid; case 'input': switch (target.type) { case 'button': case 'checkbox': case 'file': case 'image': case 'radio': case 'submit': return false; } // No point in attempting to focus disabled inputs return !target.disabled && !target.readOnly; default: return (/needsfocus/).test(target.className); } }; /** * Send a click event to the specified element. * * @param {EventTarget|Element} targetElement * @param {Event} event */ FastClick.prototype.sendClick = function(targetElement, event) { var clickEvent, touch; // On some Android devices activeElement needs to be blurred otherwise the synthetic click will have no effect (#24) if (document.activeElement && document.activeElement !== targetElement) { document.activeElement.blur(); } touch = event.changedTouches[0]; // Synthesise a click event, with an extra attribute so it can be tracked clickEvent = document.createEvent('MouseEvents'); clickEvent.initMouseEvent(this.determineEventType(targetElement), true, true, window, 1, touch.screenX, touch.screenY, touch.clientX, touch.clientY, false, false, false, false, 0, null); clickEvent.forwardedTouchEvent = true; targetElement.dispatchEvent(clickEvent); }; FastClick.prototype.determineEventType = function(targetElement) { //Issue #159: Android Chrome Select Box does not open with a synthetic click event if (deviceIsAndroid && targetElement.tagName.toLowerCase() === 'select') { return 'mousedown'; } return 'click'; }; /** * @param {EventTarget|Element} targetElement */ FastClick.prototype.focus = function(targetElement) { var length; // Issue #160: on iOS 7, some input elements (e.g. date datetime month) throw a vague TypeError on setSelectionRange. These elements don't have an integer value for the selectionStart and selectionEnd properties, but unfortunately that can't be used for detection because accessing the properties also throws a TypeError. Just check the type instead. Filed as Apple bug #15122724. if (deviceIsIOS && targetElement.setSelectionRange && targetElement.type.indexOf('date') !== 0 && targetElement.type !== 'time' && targetElement.type !== 'month') { length = targetElement.value.length; targetElement.setSelectionRange(length, length); } else { targetElement.focus(); } }; /** * Check whether the given target element is a child of a scrollable layer and if so, set a flag on it. * * @param {EventTarget|Element} targetElement */ FastClick.prototype.updateScrollParent = function(targetElement) { var scrollParent, parentElement; scrollParent = targetElement.fastClickScrollParent; // Attempt to discover whether the target element is contained within a scrollable layer. Re-check if the // target element was moved to another parent. if (!scrollParent || !scrollParent.contains(targetElement)) { parentElement = targetElement; do { if (parentElement.scrollHeight > parentElement.offsetHeight) { scrollParent = parentElement; targetElement.fastClickScrollParent = parentElement; break; } parentElement = parentElement.parentElement; } while (parentElement); } // Always update the scroll top tracker if possible. if (scrollParent) { scrollParent.fastClickLastScrollTop = scrollParent.scrollTop; } }; /** * @param {EventTarget} targetElement * @returns {Element|EventTarget} */ FastClick.prototype.getTargetElementFromEventTarget = function(eventTarget) { // On some older browsers (notably Safari on iOS 4.1 - see issue #56) the event target may be a text node. if (eventTarget.nodeType === Node.TEXT_NODE) { return eventTarget.parentNode; } return eventTarget; }; /** * On touch start, record the position and scroll offset. * * @param {Event} event * @returns {boolean} */ FastClick.prototype.onTouchStart = function(event) { var targetElement, touch, selection; // Ignore multiple touches, otherwise pinch-to-zoom is prevented if both fingers are on the FastClick element (issue #111). if (event.targetTouches.length > 1) { return true; } targetElement = this.getTargetElementFromEventTarget(event.target); touch = event.targetTouches[0]; if (deviceIsIOS) { // Only trusted events will deselect text on iOS (issue #49) selection = window.getSelection(); if (selection.rangeCount && !selection.isCollapsed) { return true; } if (!deviceIsIOS4) { // Weird things happen on iOS when an alert or confirm dialog is opened from a click event callback (issue #23): // when the user next taps anywhere else on the page, new touchstart and touchend events are dispatched // with the same identifier as the touch event that previously triggered the click that triggered the alert. // Sadly, there is an issue on iOS 4 that causes some normal touch events to have the same identifier as an // immediately preceeding touch event (issue #52), so this fix is unavailable on that platform. // Issue 120: touch.identifier is 0 when Chrome dev tools 'Emulate touch events' is set with an iOS device UA string, // which causes all touch events to be ignored. As this block only applies to iOS, and iOS identifiers are always long, // random integers, it's safe to to continue if the identifier is 0 here. if (touch.identifier && touch.identifier === this.lastTouchIdentifier) { event.preventDefault(); return false; } this.lastTouchIdentifier = touch.identifier; // If the target element is a child of a scrollable layer (using -webkit-overflow-scrolling: touch) and: // 1) the user does a fling scroll on the scrollable layer // 2) the user stops the fling scroll with another tap // then the event.target of the last 'touchend' event will be the element that was under the user's finger // when the fling scroll was started, causing FastClick to send a click event to that layer - unless a check // is made to ensure that a parent layer was not scrolled before sending a synthetic click (issue #42). this.updateScrollParent(targetElement); } } this.trackingClick = true; this.trackingClickStart = event.timeStamp; this.targetElement = targetElement; this.touchStartX = touch.pageX; this.touchStartY = touch.pageY; // Prevent phantom clicks on fast double-tap (issue #36) if ((event.timeStamp - this.lastClickTime) < this.tapDelay) { event.preventDefault(); } return true; }; /** * Based on a touchmove event object, check whether the touch has moved past a boundary since it started. * * @param {Event} event * @returns {boolean} */ FastClick.prototype.touchHasMoved = function(event) { var touch = event.changedTouches[0], boundary = this.touchBoundary; if (Math.abs(touch.pageX - this.touchStartX) > boundary || Math.abs(touch.pageY - this.touchStartY) > boundary) { return true; } return false; }; /** * Update the last position. * * @param {Event} event * @returns {boolean} */ FastClick.prototype.onTouchMove = function(event) { if (!this.trackingClick) { return true; } // If the touch has moved, cancel the click tracking if (this.targetElement !== this.getTargetElementFromEventTarget(event.target) || this.touchHasMoved(event)) { this.trackingClick = false; this.targetElement = null; } return true; }; /** * Attempt to find the labelled control for the given label element. * * @param {EventTarget|HTMLLabelElement} labelElement * @returns {Element|null} */ FastClick.prototype.findControl = function(labelElement) { // Fast path for newer browsers supporting the HTML5 control attribute if (labelElement.control !== undefined) { return labelElement.control; } // All browsers under test that support touch events also support the HTML5 htmlFor attribute if (labelElement.htmlFor) { return document.getElementById(labelElement.htmlFor); } // If no for attribute exists, attempt to retrieve the first labellable descendant element // the list of which is defined here: http://www.w3.org/TR/html5/forms.html#category-label return labelElement.querySelector('button, input:not([type=hidden]), keygen, meter, output, progress, select, textarea'); }; /** * On touch end, determine whether to send a click event at once. * * @param {Event} event * @returns {boolean} */ FastClick.prototype.onTouchEnd = function(event) { var forElement, trackingClickStart, targetTagName, scrollParent, touch, targetElement = this.targetElement; if (!this.trackingClick) { return true; } // Prevent phantom clicks on fast double-tap (issue #36) if ((event.timeStamp - this.lastClickTime) < this.tapDelay) { this.cancelNextClick = true; return true; } if ((event.timeStamp - this.trackingClickStart) > this.tapTimeout) { return true; } // Reset to prevent wrong click cancel on input (issue #156). this.cancelNextClick = false; this.lastClickTime = event.timeStamp; trackingClickStart = this.trackingClickStart; this.trackingClick = false; this.trackingClickStart = 0; // On some iOS devices, the targetElement supplied with the event is invalid if the layer // is performing a transition or scroll, and has to be re-detected manually. Note that // for this to function correctly, it must be called *after* the event target is checked! // See issue #57; also filed as rdar://13048589 . if (deviceIsIOSWithBadTarget) { touch = event.changedTouches[0]; // In certain cases arguments of elementFromPoint can be negative, so prevent setting targetElement to null targetElement = document.elementFromPoint(touch.pageX - window.pageXOffset, touch.pageY - window.pageYOffset) || targetElement; targetElement.fastClickScrollParent = this.targetElement.fastClickScrollParent; } targetTagName = targetElement.tagName.toLowerCase(); if (targetTagName === 'label') { forElement = this.findControl(targetElement); if (forElement) { this.focus(targetElement); if (deviceIsAndroid) { return false; } targetElement = forElement; } } else if (this.needsFocus(targetElement)) { // Case 1: If the touch started a while ago (best guess is 100ms based on tests for issue #36) then focus will be triggered anyway. Return early and unset the target element reference so that the subsequent click will be allowed through. // Case 2: Without this exception for input elements tapped when the document is contained in an iframe, then any inputted text won't be visible even though the value attribute is updated as the user types (issue #37). if ((event.timeStamp - trackingClickStart) > 100 || (deviceIsIOS && window.top !== window && targetTagName === 'input')) { this.targetElement = null; return false; } this.focus(targetElement); this.sendClick(targetElement, event); // Select elements need the event to go through on iOS 4, otherwise the selector menu won't open. // Also this breaks opening selects when VoiceOver is active on iOS6, iOS7 (and possibly others) if (!deviceIsIOS || targetTagName !== 'select') { this.targetElement = null; event.preventDefault(); } return false; } if (deviceIsIOS && !deviceIsIOS4) { // Don't send a synthetic click event if the target element is contained within a parent layer that was scrolled // and this tap is being used to stop the scrolling (usually initiated by a fling - issue #42). scrollParent = targetElement.fastClickScrollParent; if (scrollParent && scrollParent.fastClickLastScrollTop !== scrollParent.scrollTop) { return true; } } // Prevent the actual click from going though - unless the target node is marked as requiring // real clicks or if it is in the whitelist in which case only non-programmatic clicks are permitted. if (!this.needsClick(targetElement)) { event.preventDefault(); this.sendClick(targetElement, event); } return false; }; /** * On touch cancel, stop tracking the click. * * @returns {void} */ FastClick.prototype.onTouchCancel = function() { this.trackingClick = false; this.targetElement = null; }; /** * Determine mouse events which should be permitted. * * @param {Event} event * @returns {boolean} */ FastClick.prototype.onMouse = function(event) { // If a target element was never set (because a touch event was never fired) allow the event if (!this.targetElement) { return true; } if (event.forwardedTouchEvent) { return true; } // Programmatically generated events targeting a specific element should be permitted if (!event.cancelable) { return true; } // Derive and check the target element to see whether the mouse event needs to be permitted; // unless explicitly enabled, prevent non-touch click events from triggering actions, // to prevent ghost/doubleclicks. if (!this.needsClick(this.targetElement) || this.cancelNextClick) { // Prevent any user-added listeners declared on FastClick element from being fired. if (event.stopImmediatePropagation) { event.stopImmediatePropagation(); } else { // Part of the hack for browsers that don't support Event#stopImmediatePropagation (e.g. Android 2) event.propagationStopped = true; } // Cancel the event event.stopPropagation(); event.preventDefault(); return false; } // If the mouse event is permitted, return true for the action to go through. return true; }; /** * On actual clicks, determine whether this is a touch-generated click, a click action occurring * naturally after a delay after a touch (which needs to be cancelled to avoid duplication), or * an actual click which should be permitted. * * @param {Event} event * @returns {boolean} */ FastClick.prototype.onClick = function(event) { var permitted; // It's possible for another FastClick-like library delivered with third-party code to fire a click event before FastClick does (issue #44). In that case, set the click-tracking flag back to false and return early. This will cause onTouchEnd to return early. if (this.trackingClick) { this.targetElement = null; this.trackingClick = false; return true; } // Very odd behaviour on iOS (issue #18): if a submit element is present inside a form and the user hits enter in the iOS simulator or clicks the Go button on the pop-up OS keyboard the a kind of 'fake' click event will be triggered with the submit-type input element as the target. if (event.target.type === 'submit' && event.detail === 0) { return true; } permitted = this.onMouse(event); // Only unset targetElement if the click is not permitted. This will ensure that the check for !targetElement in onMouse fails and the browser's click doesn't go through. if (!permitted) { this.targetElement = null; } // If clicks are permitted, return true for the action to go through. return permitted; }; /** * Remove all FastClick's event listeners. * * @returns {void} */ FastClick.prototype.destroy = function() { var layer = this.layer; if (deviceIsAndroid) { layer.removeEventListener('mouseover', this.onMouse, true); layer.removeEventListener('mousedown', this.onMouse, true); layer.removeEventListener('mouseup', this.onMouse, true); } layer.removeEventListener('click', this.onClick, true); layer.removeEventListener('touchstart', this.onTouchStart, false); layer.removeEventListener('touchmove', this.onTouchMove, false); layer.removeEventListener('touchend', this.onTouchEnd, false); layer.removeEventListener('touchcancel', this.onTouchCancel, false); }; /** * Check whether FastClick is needed. * * @param {Element} layer The layer to listen on */ FastClick.notNeeded = function(layer) { var metaViewport; var chromeVersion; var blackberryVersion; var firefoxVersion; // Devices that don't support touch don't need FastClick if (typeof window.ontouchstart === 'undefined') { return true; } // Chrome version - zero for other browsers chromeVersion = +(/Chrome/([0-9]+)/.exec(navigator.userAgent) || [,0])[1]; if (chromeVersion) { if (deviceIsAndroid) { metaViewport = document.querySelector('meta[name=viewport]'); if (metaViewport) { // Chrome on Android with user-scalable="no" doesn't need FastClick (issue #89) if (metaViewport.content.indexOf('user-scalable=no') !== -1) { return true; } // Chrome 32 and above with width=device-width or less don't need FastClick if (chromeVersion > 31 && document.documentElement.scrollWidth <= window.outerWidth) { return true; } } // Chrome desktop doesn't need FastClick (issue #15) } else { return true; } } if (deviceIsBlackBerry10) { blackberryVersion = navigator.userAgent.match(/Version/([0-9]*).([0-9]*)/); // BlackBerry 10.3+ does not require Fastclick library. // https://github.com/ftlabs/fastclick/issues/251 if (blackberryVersion[1] >= 10 && blackberryVersion[2] >= 3) { metaViewport = document.querySelector('meta[name=viewport]'); if (metaViewport) { // user-scalable=no eliminates click delay. if (metaViewport.content.indexOf('user-scalable=no') !== -1) { return true; } // width=device-width (or less than device-width) eliminates click delay. if (document.documentElement.scrollWidth <= window.outerWidth) { return true; } } } } // IE10 with -ms-touch-action: none or manipulation, which disables double-tap-to-zoom (issue #97) if (layer.style.msTouchAction === 'none' || layer.style.touchAction === 'manipulation') { return true; } // Firefox version - zero for other browsers firefoxVersion = +(/Firefox/([0-9]+)/.exec(navigator.userAgent) || [,0])[1]; if (firefoxVersion >= 27) { // Firefox 27+ does not have tap delay if the content is not zoomable - https://bugzilla.mozilla.org/show_bug.cgi?id=922896 metaViewport = document.querySelector('meta[name=viewport]'); if (metaViewport && (metaViewport.content.indexOf('user-scalable=no') !== -1 || document.documentElement.scrollWidth <= window.outerWidth)) { return true; } } // IE11: prefixed -ms-touch-action is no longer supported and it's recomended to use non-prefixed version // http://msdn.microsoft.com/en-us/library/windows/apps/Hh767313.aspx if (layer.style.touchAction === 'none' || layer.style.touchAction === 'manipulation') { return true; } return false; }; /** * Factory method for creating a FastClick object * * @param {Element} layer The layer to listen on * @param {Object} [options={}] The options to override the defaults */ FastClick.attach = function(layer, options) { return new FastClick(layer, options); }; if (typeof define === 'function' && typeof define.amd === 'object' && define.amd) { // AMD. Register as an anonymous module. define(function() { return FastClick; }); } else if (typeof module !== 'undefined' && module.exports) { module.exports = FastClick.attach; module.exports.FastClick = FastClick; } else { window.FastClick = FastClick; } }());
flexible.debug.js
;(function(win, lib) { var doc = win.document; var docEl = doc.documentElement; var metaEl = doc.querySelector('meta[name="viewport"]'); var flexibleEl = doc.querySelector('meta[name="flexible"]'); var dpr = 0; var scale = 0; var tid; var flexible = lib.flexible || (lib.flexible = {}); if (metaEl) { console.warn('将根据已有的meta标签来设置缩放比例'); var match = metaEl.getAttribute('content').match(/initial-scale=([d.]+)/); if (match) { scale = parseFloat(match[1]); dpr = parseInt(1 / scale); } } else if (flexibleEl) { var content = flexibleEl.getAttribute('content'); if (content) { var initialDpr = content.match(/initial-dpr=([d.]+)/); var maximumDpr = content.match(/maximum-dpr=([d.]+)/); if (initialDpr) { dpr = parseFloat(initialDpr[1]); scale = parseFloat((1 / dpr).toFixed(2)); } if (maximumDpr) { dpr = parseFloat(maximumDpr[1]); scale = parseFloat((1 / dpr).toFixed(2)); } } } if (!dpr && !scale) { var isAndroid = win.navigator.appVersion.match(/android/gi); var isIPhone = win.navigator.appVersion.match(/iphone/gi); var devicePixelRatio = win.devicePixelRatio; if (isIPhone) { // iOS下，对于2和3的屏，用2倍的方案，其余的用1倍方案 if (devicePixelRatio >= 3 && (!dpr || dpr >= 3)) { dpr = 3; } else if (devicePixelRatio >= 2 && (!dpr || dpr >= 2)){ dpr = 2; } else { dpr = 1; } } else { // 其他设备下，仍旧使用1倍的方案 dpr = 1; } scale = 1 / dpr; } docEl.setAttribute('data-dpr', dpr); if (!metaEl) { metaEl = doc.createElement('meta'); metaEl.setAttribute('name', 'viewport'); metaEl.setAttribute('content', 'initial-scale=' + scale + ', maximum-scale=' + scale + ', minimum-scale=' + scale + ', user-scalable=no'); if (docEl.firstElementChild) { docEl.firstElementChild.appendChild(metaEl); } else { var wrap = doc.createElement('div'); wrap.appendChild(metaEl); doc.write(wrap.innerHTML); } } function refreshRem(){ var width = docEl.getBoundingClientRect().width; if (width / dpr > 540) { width = 540 * dpr; } var rem = width / 10; docEl.style.fontSize = rem + 'px'; flexible.rem = win.rem = rem; } win.addEventListener('resize', function() { clearTimeout(tid); tid = setTimeout(refreshRem, 300); }, false); win.addEventListener('pageshow', function(e) { if (e.persisted) { clearTimeout(tid); tid = setTimeout(refreshRem, 300); } }, false); if (doc.readyState === 'complete') { doc.body.style.fontSize = 12 * dpr + 'px'; } else { doc.addEventListener('DOMContentLoaded', function(e) { doc.body.style.fontSize = 12 * dpr + 'px'; }, false); } refreshRem(); flexible.dpr = win.dpr = dpr; flexible.refreshRem = refreshRem; flexible.rem2px = function(d) { var val = parseFloat(d) * this.rem; if (typeof d === 'string' && d.match(/rem$/)) { val += 'px'; } return val; } flexible.px2rem = function(d) { var val = parseFloat(d) / this.rem; if (typeof d === 'string' && d.match(/px$/)) { val += 'rem'; } return val; } })(window, window['lib'] || (window['lib'] = {}));
flexible_css.debug.js
(function () { // flexible.css var cssText = "" + "@charset "utf-8";html{color:#000;background:#fff;overflow-y:scroll;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}html *{outline:0;-webkit-text-size-adjust:none;-webkit-tap-highlight-color:rgba(0,0,0,0)}html,body{font-family:sans-serif}body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,textarea,p,blockquote,th,td,hr,button,article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{margin:0;padding:0}input,select,textarea{font-size:100%}table{border-collapse:collapse;border-spacing:0}fieldset,img{border:0}abbr,acronym{border:0;font-variant:normal}del{text-decoration:line-through}address,caption,cite,code,dfn,em,th,var{font-style:normal;font-weight:500}ol,ul{list-style:none}caption,th{text-align:left}h1,h2,h3,h4,h5,h6{font-size:100%;font-weight:500}q:before,q:after{content:''}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sup{top:-.5em}sub{bottom:-.25em}a:hover{text-decoration:underline}ins,a{text-decoration:none}"; // cssText end var styleEl = document.createElement("style"); document.getElementsByTagName("head")[0].appendChild(styleEl); if (styleEl.styleSheet) { if (!styleEl.styleSheet.disabled) { styleEl.styleSheet.cssText = cssText; } } else { try { styleEl.innerHTML = cssText } catch(e) { styleEl.innerText = cssText; } } }());
touch.js
// Zepto.js // (c) 2010-2016 Thomas Fuchs // Zepto.js may be freely distributed under the MIT license. ;(function($){ var touch = {}, touchTimeout, tapTimeout, swipeTimeout, longTapTimeout, longTapDelay = 750, gesture, down, up, move, eventMap, initialized = false function swipeDirection(x1, x2, y1, y2) { return Math.abs(x1 - x2) >= Math.abs(y1 - y2) ? (x1 - x2 > 0 ? 'Left' : 'Right') : (y1 - y2 > 0 ? 'Up' : 'Down') } function longTap() { longTapTimeout = null if (touch.last) { touch.el.trigger('longTap') touch = {} } } function cancelLongTap() { if (longTapTimeout) clearTimeout(longTapTimeout) longTapTimeout = null } function cancelAll() { if (touchTimeout) clearTimeout(touchTimeout) if (tapTimeout) clearTimeout(tapTimeout) if (swipeTimeout) clearTimeout(swipeTimeout) if (longTapTimeout) clearTimeout(longTapTimeout) touchTimeout = tapTimeout = swipeTimeout = longTapTimeout = null touch = {} } function isPrimaryTouch(event){ return (event.pointerType == 'touch' || event.pointerType == event.MSPOINTER_TYPE_TOUCH) && event.isPrimary } function isPointerEventType(e, type){ return (e.type == 'pointer'+type || e.type.toLowerCase() == 'mspointer'+type) } // helper function for tests, so they check for different APIs function unregisterTouchEvents(){ if (!initialized) return $(document).off(eventMap.down, down) .off(eventMap.up, up) .off(eventMap.move, move) .off(eventMap.cancel, cancelAll) $(window).off('scroll', cancelAll) cancelAll() initialized = false } function setup(__eventMap){ var now, delta, deltaX = 0, deltaY = 0, firstTouch, _isPointerType unregisterTouchEvents() eventMap = (__eventMap && ('down' in __eventMap)) ? __eventMap : ('ontouchstart' in document ? { 'down': 'touchstart', 'up': 'touchend', 'move': 'touchmove', 'cancel': 'touchcancel' } : 'onpointerdown' in document ? { 'down': 'pointerdown', 'up': 'pointerup', 'move': 'pointermove', 'cancel': 'pointercancel' } : 'onmspointerdown' in document ? { 'down': 'MSPointerDown', 'up': 'MSPointerUp', 'move': 'MSPointerMove', 'cancel': 'MSPointerCancel' } : false) // No API availables for touch events if (!eventMap) return if ('MSGesture' in window) { gesture = new MSGesture() gesture.target = document.body $(document) .bind('MSGestureEnd', function(e){ var swipeDirectionFromVelocity = e.velocityX > 1 ? 'Right' : e.velocityX < -1 ? 'Left' : e.velocityY > 1 ? 'Down' : e.velocityY < -1 ? 'Up' : null if (swipeDirectionFromVelocity) { touch.el.trigger('swipe') touch.el.trigger('swipe'+ swipeDirectionFromVelocity) } }) } down = function(e){ if((_isPointerType = isPointerEventType(e, 'down')) && !isPrimaryTouch(e)) return firstTouch = _isPointerType ? e : e.touches[0] if (e.touches && e.touches.length === 1 && touch.x2) { // Clear out touch movement data if we have it sticking around // This can occur if touchcancel doesn't fire due to preventDefault, etc. touch.x2 = undefined touch.y2 = undefined } now = Date.now() delta = now - (touch.last || now) touch.el = $('tagName' in firstTouch.target ? firstTouch.target : firstTouch.target.parentNode) touchTimeout && clearTimeout(touchTimeout) touch.x1 = firstTouch.pageX touch.y1 = firstTouch.pageY if (delta > 0 && delta <= 250) touch.isDoubleTap = true touch.last = now longTapTimeout = setTimeout(longTap, longTapDelay) // adds the current touch contact for IE gesture recognition if (gesture && _isPointerType) gesture.addPointer(e.pointerId) } move = function(e){ if((_isPointerType = isPointerEventType(e, 'move')) && !isPrimaryTouch(e)) return firstTouch = _isPointerType ? e : e.touches[0] cancelLongTap() touch.x2 = firstTouch.pageX touch.y2 = firstTouch.pageY deltaX += Math.abs(touch.x1 - touch.x2) deltaY += Math.abs(touch.y1 - touch.y2) } up = function(e){ if((_isPointerType = isPointerEventType(e, 'up')) && !isPrimaryTouch(e)) return cancelLongTap() // swipe if ((touch.x2 && Math.abs(touch.x1 - touch.x2) > 30) || (touch.y2 && Math.abs(touch.y1 - touch.y2) > 30)) swipeTimeout = setTimeout(function() { if (touch.el){ touch.el.trigger('swipe') touch.el.trigger('swipe' + (swipeDirection(touch.x1, touch.x2, touch.y1, touch.y2))) } touch = {} }, 0) // normal tap else if ('last' in touch) // don't fire tap when delta position changed by more than 30 pixels, // for instance when moving to a point and back to origin if (deltaX < 30 && deltaY < 30) { // delay by one tick so we can cancel the 'tap' event if 'scroll' fires // ('tap' fires before 'scroll') tapTimeout = setTimeout(function() { // trigger universal 'tap' with the option to cancelTouch() // (cancelTouch cancels processing of single vs double taps for faster 'tap' response) var event = $.Event('tap') event.cancelTouch = cancelAll // [by paper] fix -> "TypeError: 'undefined' is not an object (evaluating 'touch.el.trigger'), when double tap if (touch.el) touch.el.trigger(event) // trigger double tap immediately if (touch.isDoubleTap) { if (touch.el) touch.el.trigger('doubleTap') touch = {} } // trigger single tap after 250ms of inactivity else { touchTimeout = setTimeout(function(){ touchTimeout = null if (touch.el) touch.el.trigger('singleTap') touch = {} }, 250) } }, 0) } else { touch = {} } deltaX = deltaY = 0 } $(document).on(eventMap.up, up) .on(eventMap.down, down) .on(eventMap.move, move) // when the browser window loses focus, // for example when a modal dialog is shown, // cancel all ongoing events $(document).on(eventMap.cancel, cancelAll) // scrolling the window indicates intention of the user // to scroll, not tap or swipe, so cancel all ongoing events $(window).on('scroll', cancelAll) initialized = true } ;['swipe', 'swipeLeft', 'swipeRight', 'swipeUp', 'swipeDown', 'doubleTap', 'tap', 'singleTap', 'longTap'].forEach(function(eventName){ $.fn[eventName] = function(callback){ return this.on(eventName, callback) } }) $.touch = { setup: setup } $(document).ready(setup) })(Zepto)
zepto.js
/* Zepto v1.2.0 - zepto event ajax form ie - zeptojs.com/license */ (function(global, factory) { if (typeof define === 'function' && define.amd) define(function() { return factory(global) }) else factory(global) }(this, function(window) { var Zepto = (function() { var undefined, key, $, classList, emptyArray = [], concat = emptyArray.concat, filter = emptyArray.filter, slice = emptyArray.slice, document = window.document, elementDisplay = {}, classCache = {}, cssNumber = { 'column-count': 1, 'columns': 1, 'font-weight': 1, 'line-height': 1,'opacity': 1, 'z-index': 1, 'zoom': 1 }, fragmentRE = /^s*<(w+|!)[^>]*>/, singleTagRE = /^<(w+)s*/?>(?:</1>|)$/, tagExpanderRE = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([w:]+)[^>]*)/>/ig, rootNodeRE = /^(?:body|html)$/i, capitalRE = /([A-Z])/g, // special attributes that should be get/set via method calls methodAttributes = ['val', 'css', 'html', 'text', 'data', 'width', 'height', 'offset'], adjacencyOperators = [ 'after', 'prepend', 'before', 'append' ], table = document.createElement('table'), tableRow = document.createElement('tr'), containers = { 'tr': document.createElement('tbody'), 'tbody': table, 'thead': table, 'tfoot': table, 'td': tableRow, 'th': tableRow, '*': document.createElement('div') }, readyRE = /complete|loaded|interactive/, simpleSelectorRE = /^[w-]*$/, class2type = {}, toString = class2type.toString, zepto = {}, camelize, uniq, tempParent = document.createElement('div'), propMap = { 'tabindex': 'tabIndex', 'readonly': 'readOnly', 'for': 'htmlFor', 'class': 'className', 'maxlength': 'maxLength', 'cellspacing': 'cellSpacing', 'cellpadding': 'cellPadding', 'rowspan': 'rowSpan', 'colspan': 'colSpan', 'usemap': 'useMap', 'frameborder': 'frameBorder', 'contenteditable': 'contentEditable' }, isArray = Array.isArray || function(object){ return object instanceof Array } zepto.matches = function(element, selector) { if (!selector || !element || element.nodeType !== 1) return false var matchesSelector = element.matches || element.webkitMatchesSelector || element.mozMatchesSelector || element.oMatchesSelector || element.matchesSelector if (matchesSelector) return matchesSelector.call(element, selector) // fall back to performing a selector: var match, parent = element.parentNode, temp = !parent if (temp) (parent = tempParent).appendChild(element) match = ~zepto.qsa(parent, selector).indexOf(element) temp && tempParent.removeChild(element) return match } function type(obj) { return obj == null ? String(obj) : class2type[toString.call(obj)] || "object" } function isFunction(value) { return type(value) == "function" } function isWindow(obj) { return obj != null && obj == obj.window } function isDocument(obj) { return obj != null && obj.nodeType == obj.DOCUMENT_NODE } function isObject(obj) { return type(obj) == "object" } function isPlainObject(obj) { return isObject(obj) && !isWindow(obj) && Object.getPrototypeOf(obj) == Object.prototype } function likeArray(obj) { var length = !!obj && 'length' in obj && obj.length, type = $.type(obj) return 'function' != type && !isWindow(obj) && ( 'array' == type || length === 0 || (typeof length == 'number' && length > 0 && (length - 1) in obj) ) } function compact(array) { return filter.call(array, function(item){ return item != null }) } function flatten(array) { return array.length > 0 ? $.fn.concat.apply([], array) : array } camelize = function(str){ return str.replace(/-+(.)?/g, function(match, chr){ return chr ? chr.toUpperCase() : '' }) } function dasherize(str) { return str.replace(/::/g, '/') .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2') .replace(/([a-zd])([A-Z])/g, '$1_$2') .replace(/_/g, '-') .toLowerCase() } uniq = function(array){ return filter.call(array, function(item, idx){ return array.indexOf(item) == idx }) } function classRE(name) { return name in classCache ? classCache[name] : (classCache[name] = new RegExp('(^|\s)' + name + '(\s|$)')) } function maybeAddPx(name, value) { return (typeof value == "number" && !cssNumber[dasherize(name)]) ? value + "px" : value } function defaultDisplay(nodeName) { var element, display if (!elementDisplay[nodeName]) { element = document.createElement(nodeName) document.body.appendChild(element) display = getComputedStyle(element, '').getPropertyValue("display") element.parentNode.removeChild(element) display == "none" && (display = "block") elementDisplay[nodeName] = display } return elementDisplay[nodeName] } function children(element) { return 'children' in element ? slice.call(element.children) : $.map(element.childNodes, function(node){ if (node.nodeType == 1) return node }) } function Z(dom, selector) { var i, len = dom ? dom.length : 0 for (i = 0; i < len; i++) this[i] = dom[i] this.length = len this.selector = selector || '' } // `$.zepto.fragment` takes a html string and an optional tag name // to generate DOM nodes from the given html string. // The generated DOM nodes are returned as an array. // This function can be overridden in plugins for example to make // it compatible with browsers that don't support the DOM fully. zepto.fragment = function(html, name, properties) { var dom, nodes, container // A special case optimization for a single tag if (singleTagRE.test(html)) dom = $(document.createElement(RegExp.$1)) if (!dom) { if (html.replace) html = html.replace(tagExpanderRE, "<$1></$2>") if (name === undefined) name = fragmentRE.test(html) && RegExp.$1 if (!(name in containers)) name = '*' container = containers[name] container.innerHTML = '' + html dom = $.each(slice.call(container.childNodes), function(){ container.removeChild(this) }) } if (isPlainObject(properties)) { nodes = $(dom) $.each(properties, function(key, value) { if (methodAttributes.indexOf(key) > -1) nodes[key](value) else nodes.attr(key, value) }) } return dom } // `$.zepto.Z` swaps out the prototype of the given `dom` array // of nodes with `$.fn` and thus supplying all the Zepto functions // to the array. This method can be overridden in plugins. zepto.Z = function(dom, selector) { return new Z(dom, selector) } // `$.zepto.isZ` should return `true` if the given object is a Zepto // collection. This method can be overridden in plugins. zepto.isZ = function(object) { return object instanceof zepto.Z } // `$.zepto.init` is Zepto's counterpart to jQuery's `$.fn.init` and // takes a CSS selector and an optional context (and handles various // special cases). // This method can be overridden in plugins. zepto.init = function(selector, context) { var dom // If nothing given, return an empty Zepto collection if (!selector) return zepto.Z() // Optimize for string selectors else if (typeof selector == 'string') { selector = selector.trim() // If it's a html fragment, create nodes from it // Note: In both Chrome 21 and Firefox 15, DOM error 12 // is thrown if the fragment doesn't begin with < if (selector[0] == '<' && fragmentRE.test(selector)) dom = zepto.fragment(selector, RegExp.$1, context), selector = null // If there's a context, create a collection on that context first, and select // nodes from there else if (context !== undefined) return $(context).find(selector) // If it's a CSS selector, use it to select nodes. else dom = zepto.qsa(document, selector) } // If a function is given, call it when the DOM is ready else if (isFunction(selector)) return $(document).ready(selector) // If a Zepto collection is given, just return it else if (zepto.isZ(selector)) return selector else { // normalize array if an array of nodes is given if (isArray(selector)) dom = compact(selector) // Wrap DOM nodes. else if (isObject(selector)) dom = [selector], selector = null // If it's a html fragment, create nodes from it else if (fragmentRE.test(selector)) dom = zepto.fragment(selector.trim(), RegExp.$1, context), selector = null // If there's a context, create a collection on that context first, and select // nodes from there else if (context !== undefined) return $(context).find(selector) // And last but no least, if it's a CSS selector, use it to select nodes. else dom = zepto.qsa(document, selector) } // create a new Zepto collection from the nodes found return zepto.Z(dom, selector) } // `$` will be the base `Zepto` object. When calling this // function just call `$.zepto.init, which makes the implementation // details of selecting nodes and creating Zepto collections // patchable in plugins. $ = function(selector, context){ return zepto.init(selector, context) } function extend(target, source, deep) { for (key in source) if (deep && (isPlainObject(source[key]) || isArray(source[key]))) { if (isPlainObject(source[key]) && !isPlainObject(target[key])) target[key] = {} if (isArray(source[key]) && !isArray(target[key])) target[key] = [] extend(target[key], source[key], deep) } else if (source[key] !== undefined) target[key] = source[key] } // Copy all but undefined properties from one or more // objects to the `target` object. $.extend = function(target){ var deep, args = slice.call(arguments, 1) if (typeof target == 'boolean') { deep = target target = args.shift() } args.forEach(function(arg){ extend(target, arg, deep) }) return target } // `$.zepto.qsa` is Zepto's CSS selector implementation which // uses `document.querySelectorAll` and optimizes for some special cases, like `#id`. // This method can be overridden in plugins. zepto.qsa = function(element, selector){ var found, maybeID = selector[0] == '#', maybeClass = !maybeID && selector[0] == '.', nameOnly = maybeID || maybeClass ? selector.slice(1) : selector, // Ensure that a 1 char tag name still gets checked isSimple = simpleSelectorRE.test(nameOnly) return (element.getElementById && isSimple && maybeID) ? // Safari DocumentFragment doesn't have getElementById ( (found = element.getElementById(nameOnly)) ? [found] : [] ) : (element.nodeType !== 1 && element.nodeType !== 9 && element.nodeType !== 11) ? [] : slice.call( isSimple && !maybeID && element.getElementsByClassName ? // DocumentFragment doesn't have getElementsByClassName/TagName maybeClass ? element.getElementsByClassName(nameOnly) : // If it's simple, it could be a class element.getElementsByTagName(selector) : // Or a tag element.querySelectorAll(selector) // Or it's not simple, and we need to query all ) } function filtered(nodes, selector) { return selector == null ? $(nodes) : $(nodes).filter(selector) } $.contains = document.documentElement.contains ? function(parent, node) { return parent !== node && parent.contains(node) } : function(parent, node) { while (node && (node = node.parentNode)) if (node === parent) return true return false } function funcArg(context, arg, idx, payload) { return isFunction(arg) ? arg.call(context, idx, payload) : arg } function setAttribute(node, name, value) { value == null ? node.removeAttribute(name) : node.setAttribute(name, value) } // access className property while respecting SVGAnimatedString function className(node, value){ var klass = node.className || '', svg = klass && klass.baseVal !== undefined if (value === undefined) return svg ? klass.baseVal : klass svg ? (klass.baseVal = value) : (node.className = value) } // "true" => true // "false" => false // "null" => null // "42" => 42 // "42.5" => 42.5 // "08" => "08" // JSON => parse if valid // String => self function deserializeValue(value) { try { return value ? value == "true" || ( value == "false" ? false : value == "null" ? null : +value + "" == value ? +value : /^[[{]/.test(value) ? $.parseJSON(value) : value ) : value } catch(e) { return value } } $.type = type $.isFunction = isFunction $.isWindow = isWindow $.isArray = isArray $.isPlainObject = isPlainObject $.isEmptyObject = function(obj) { var name for (name in obj) return false return true } $.isNumeric = function(val) { var num = Number(val), type = typeof val return val != null && type != 'boolean' && (type != 'string' || val.length) && !isNaN(num) && isFinite(num) || false } $.inArray = function(elem, array, i){ return emptyArray.indexOf.call(array, elem, i) } $.camelCase = camelize $.trim = function(str) { return str == null ? "" : String.prototype.trim.call(str) } // plugin compatibility $.uuid = 0 $.support = { } $.expr = { } $.noop = function() {} $.map = function(elements, callback){ var value, values = [], i, key if (likeArray(elements)) for (i = 0; i < elements.length; i++) { value = callback(elements[i], i) if (value != null) values.push(value) } else for (key in elements) { value = callback(elements[key], key) if (value != null) values.push(value) } return flatten(values) } $.each = function(elements, callback){ var i, key if (likeArray(elements)) { for (i = 0; i < elements.length; i++) if (callback.call(elements[i], i, elements[i]) === false) return elements } else { for (key in elements) if (callback.call(elements[key], key, elements[key]) === false) return elements } return elements } $.grep = function(elements, callback){ return filter.call(elements, callback) } if (window.JSON) $.parseJSON = JSON.parse // Populate the class2type map $.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) { class2type[ "[object " + name + "]" ] = name.toLowerCase() }) // Define methods that will be available on all // Zepto collections $.fn = { constructor: zepto.Z, length: 0, // Because a collection acts like an array // copy over these useful array functions. forEach: emptyArray.forEach, reduce: emptyArray.reduce, push: emptyArray.push, sort: emptyArray.sort, splice: emptyArray.splice, indexOf: emptyArray.indexOf, concat: function(){ var i, value, args = [] for (i = 0; i < arguments.length; i++) { value = arguments[i] args[i] = zepto.isZ(value) ? value.toArray() : value } return concat.apply(zepto.isZ(this) ? this.toArray() : this, args) }, // `map` and `slice` in the jQuery API work differently // from their array counterparts map: function(fn){ return $($.map(this, function(el, i){ return fn.call(el, i, el) })) }, slice: function(){ return $(slice.apply(this, arguments)) }, ready: function(callback){ // need to check if document.body exists for IE as that browser reports // document ready when it hasn't yet created the body element if (readyRE.test(document.readyState) && document.body) callback($) else document.addEventListener('DOMContentLoaded', function(){ callback($) }, false) return this }, get: function(idx){ return idx === undefined ? slice.call(this) : this[idx >= 0 ? idx : idx + this.length] }, toArray: function(){ return this.get() }, size: function(){ return this.length }, remove: function(){ return this.each(function(){ if (this.parentNode != null) this.parentNode.removeChild(this) }) }, each: function(callback){ emptyArray.every.call(this, function(el, idx){ return callback.call(el, idx, el) !== false }) return this }, filter: function(selector){ if (isFunction(selector)) return this.not(this.not(selector)) return $(filter.call(this, function(element){ return zepto.matches(element, selector) })) }, add: function(selector,context){ return $(uniq(this.concat($(selector,context)))) }, is: function(selector){ return this.length > 0 && zepto.matches(this[0], selector) }, not: function(selector){ var nodes=[] if (isFunction(selector) && selector.call !== undefined) this.each(function(idx){ if (!selector.call(this,idx)) nodes.push(this) }) else { var excludes = typeof selector == 'string' ? this.filter(selector) : (likeArray(selector) && isFunction(selector.item)) ? slice.call(selector) : $(selector) this.forEach(function(el){ if (excludes.indexOf(el) < 0) nodes.push(el) }) } return $(nodes) }, has: function(selector){ return this.filter(function(){ return isObject(selector) ? $.contains(this, selector) : $(this).find(selector).size() }) }, eq: function(idx){ return idx === -1 ? this.slice(idx) : this.slice(idx, + idx + 1) }, first: function(){ var el = this[0] return el && !isObject(el) ? el : $(el) }, last: function(){ var el = this[this.length - 1] return el && !isObject(el) ? el : $(el) }, find: function(selector){ var result, $this = this if (!selector) result = $() else if (typeof selector == 'object') result = $(selector).filter(function(){ var node = this return emptyArray.some.call($this, function(parent){ return $.contains(parent, node) }) }) else if (this.length == 1) result = $(zepto.qsa(this[0], selector)) else result = this.map(function(){ return zepto.qsa(this, selector) }) return result }, closest: function(selector, context){ var nodes = [], collection = typeof selector == 'object' && $(selector) this.each(function(_, node){ while (node && !(collection ? collection.indexOf(node) >= 0 : zepto.matches(node, selector))) node = node !== context && !isDocument(node) && node.parentNode if (node && nodes.indexOf(node) < 0) nodes.push(node) }) return $(nodes) }, parents: function(selector){ var ancestors = [], nodes = this while (nodes.length > 0) nodes = $.map(nodes, function(node){ if ((node = node.parentNode) && !isDocument(node) && ancestors.indexOf(node) < 0) { ancestors.push(node) return node } }) return filtered(ancestors, selector) }, parent: function(selector){ return filtered(uniq(this.pluck('parentNode')), selector) }, children: function(selector){ return filtered(this.map(function(){ return children(this) }), selector) }, contents: function() { return this.map(function() { return this.contentDocument || slice.call(this.childNodes) }) }, siblings: function(selector){ return filtered(this.map(function(i, el){ return filter.call(children(el.parentNode), function(child){ return child!==el }) }), selector) }, empty: function(){ return this.each(function(){ this.innerHTML = '' }) }, // `pluck` is borrowed from Prototype.js pluck: function(property){ return $.map(this, function(el){ return el[property] }) }, show: function(){ return this.each(function(){ this.style.display == "none" && (this.style.display = '') if (getComputedStyle(this, '').getPropertyValue("display") == "none") this.style.display = defaultDisplay(this.nodeName) }) }, replaceWith: function(newContent){ return this.before(newContent).remove() }, wrap: function(structure){ var func = isFunction(structure) if (this[0] && !func) var dom = $(structure).get(0), clone = dom.parentNode || this.length > 1 return this.each(function(index){ $(this).wrapAll( func ? structure.call(this, index) : clone ? dom.cloneNode(true) : dom ) }) }, wrapAll: function(structure){ if (this[0]) { $(this[0]).before(structure = $(structure)) var children // drill down to the inmost element while ((children = structure.children()).length) structure = children.first() $(structure).append(this) } return this }, wrapInner: function(structure){ var func = isFunction(structure) return this.each(function(index){ var self = $(this), contents = self.contents(), dom = func ? structure.call(this, index) : structure contents.length ? contents.wrapAll(dom) : self.append(dom) }) }, unwrap: function(){ this.parent().each(function(){ $(this).replaceWith($(this).children()) }) return this }, clone: function(){ return this.map(function(){ return this.cloneNode(true) }) }, hide: function(){ return this.css("display", "none") }, toggle: function(setting){ return this.each(function(){ var el = $(this) ;(setting === undefined ? el.css("display") == "none" : setting) ? el.show() : el.hide() }) }, prev: function(selector){ return $(this.pluck('previousElementSibling')).filter(selector || '*') }, next: function(selector){ return $(this.pluck('nextElementSibling')).filter(selector || '*') }, html: function(html){ return 0 in arguments ? this.each(function(idx){ var originHtml = this.innerHTML $(this).empty().append( funcArg(this, html, idx, originHtml) ) }) : (0 in this ? this[0].innerHTML : null) }, text: function(text){ return 0 in arguments ? this.each(function(idx){ var newText = funcArg(this, text, idx, this.textContent) this.textContent = newText == null ? '' : ''+newText }) : (0 in this ? this.pluck('textContent').join("") : null) }, attr: function(name, value){ var result return (typeof name == 'string' && !(1 in arguments)) ? (0 in this && this[0].nodeType == 1 && (result = this[0].getAttribute(name)) != null ? result : undefined) : this.each(function(idx){ if (this.nodeType !== 1) return if (isObject(name)) for (key in name) setAttribute(this, key, name[key]) else setAttribute(this, name, funcArg(this, value, idx, this.getAttribute(name))) }) }, removeAttr: function(name){ return this.each(function(){ this.nodeType === 1 && name.split(' ').forEach(function(attribute){ setAttribute(this, attribute) }, this)}) }, prop: function(name, value){ name = propMap[name] || name return (1 in arguments) ? this.each(function(idx){ this[name] = funcArg(this, value, idx, this[name]) }) : (this[0] && this[0][name]) }, removeProp: function(name){ name = propMap[name] || name return this.each(function(){ delete this[name] }) }, data: function(name, value){ var attrName = 'data-' + name.replace(capitalRE, '-$1').toLowerCase() var data = (1 in arguments) ? this.attr(attrName, value) : this.attr(attrName) return data !== null ? deserializeValue(data) : undefined }, val: function(value){ if (0 in arguments) { if (value == null) value = "" return this.each(function(idx){ this.value = funcArg(this, value, idx, this.value) }) } else { return this[0] && (this[0].multiple ? $(this[0]).find('option').filter(function(){ return this.selected }).pluck('value') : this[0].value) } }, offset: function(coordinates){ if (coordinates) return this.each(function(index){ var $this = $(this), coords = funcArg(this, coordinates, index, $this.offset()), parentOffset = $this.offsetParent().offset(), props = { top: coords.top - parentOffset.top, left: coords.left - parentOffset.left } if ($this.css('position') == 'static') props['position'] = 'relative' $this.css(props) }) if (!this.length) return null if (document.documentElement !== this[0] && !$.contains(document.documentElement, this[0])) return {top: 0, left: 0} var obj = this[0].getBoundingClientRect() return { left: obj.left + window.pageXOffset, top: obj.top + window.pageYOffset, Math.round(obj.width), height: Math.round(obj.height) } }, css: function(property, value){ if (arguments.length < 2) { var element = this[0] if (typeof property == 'string') { if (!element) return return element.style[camelize(property)] || getComputedStyle(element, '').getPropertyValue(property) } else if (isArray(property)) { if (!element) return var props = {} var computedStyle = getComputedStyle(element, '') $.each(property, function(_, prop){ props[prop] = (element.style[camelize(prop)] || computedStyle.getPropertyValue(prop)) }) return props } } var css = '' if (type(property) == 'string') { if (!value && value !== 0) this.each(function(){ this.style.removeProperty(dasherize(property)) }) else css = dasherize(property) + ":" + maybeAddPx(property, value) } else { for (key in property) if (!property[key] && property[key] !== 0) this.each(function(){ this.style.removeProperty(dasherize(key)) }) else css += dasherize(key) + ':' + maybeAddPx(key, property[key]) + ';' } return this.each(function(){ this.style.cssText += ';' + css }) }, index: function(element){ return element ? this.indexOf($(element)[0]) : this.parent().children().indexOf(this[0]) }, hasClass: function(name){ if (!name) return false return emptyArray.some.call(this, function(el){ return this.test(className(el)) }, classRE(name)) }, addClass: function(name){ if (!name) return this return this.each(function(idx){ if (!('className' in this)) return classList = [] var cls = className(this), newName = funcArg(this, name, idx, cls) newName.split(/s+/g).forEach(function(klass){ if (!$(this).hasClass(klass)) classList.push(klass) }, this) classList.length && className(this, cls + (cls ? " " : "") + classList.join(" ")) }) }, removeClass: function(name){ return this.each(function(idx){ if (!('className' in this)) return if (name === undefined) return className(this, '') classList = className(this) funcArg(this, name, idx, classList).split(/s+/g).forEach(function(klass){ classList = classList.replace(classRE(klass), " ") }) className(this, classList.trim()) }) }, toggleClass: function(name, when){ if (!name) return this return this.each(function(idx){ var $this = $(this), names = funcArg(this, name, idx, className(this)) names.split(/s+/g).forEach(function(klass){ (when === undefined ? !$this.hasClass(klass) : when) ? $this.addClass(klass) : $this.removeClass(klass) }) }) }, scrollTop: function(value){ if (!this.length) return var hasScrollTop = 'scrollTop' in this[0] if (value === undefined) return hasScrollTop ? this[0].scrollTop : this[0].pageYOffset return this.each(hasScrollTop ? function(){ this.scrollTop = value } : function(){ this.scrollTo(this.scrollX, value) }) }, scrollLeft: function(value){ if (!this.length) return var hasScrollLeft = 'scrollLeft' in this[0] if (value === undefined) return hasScrollLeft ? this[0].scrollLeft : this[0].pageXOffset return this.each(hasScrollLeft ? function(){ this.scrollLeft = value } : function(){ this.scrollTo(value, this.scrollY) }) }, position: function() { if (!this.length) return var elem = this[0], // Get *real* offsetParent offsetParent = this.offsetParent(), // Get correct offsets offset = this.offset(), parentOffset = rootNodeRE.test(offsetParent[0].nodeName) ? { top: 0, left: 0 } : offsetParent.offset() // Subtract element margins // note: when an element has margin: auto the offsetLeft and marginLeft // are the same in Safari causing offset.left to incorrectly be 0 offset.top -= parseFloat( $(elem).css('margin-top') ) || 0 offset.left -= parseFloat( $(elem).css('margin-left') ) || 0 // Add offsetParent borders parentOffset.top += parseFloat( $(offsetParent[0]).css('border-top-width') ) || 0 parentOffset.left += parseFloat( $(offsetParent[0]).css('border-left-width') ) || 0 // Subtract the two offsets return { top: offset.top - parentOffset.top, left: offset.left - parentOffset.left } }, offsetParent: function() { return this.map(function(){ var parent = this.offsetParent || document.body while (parent && !rootNodeRE.test(parent.nodeName) && $(parent).css("position") == "static") parent = parent.offsetParent return parent }) } } // for now $.fn.detach = $.fn.remove // Generate the `width` and `height` functions ;['width', 'height'].forEach(function(dimension){ var dimensionProperty = dimension.replace(/./, function(m){ return m[0].toUpperCase() }) $.fn[dimension] = function(value){ var offset, el = this[0] if (value === undefined) return isWindow(el) ? el['inner' + dimensionProperty] : isDocument(el) ? el.documentElement['scroll' + dimensionProperty] : (offset = this.offset()) && offset[dimension] else return this.each(function(idx){ el = $(this) el.css(dimension, funcArg(this, value, idx, el[dimension]())) }) } }) function traverseNode(node, fun) { fun(node) for (var i = 0, len = node.childNodes.length; i < len; i++) traverseNode(node.childNodes[i], fun) } // Generate the `after`, `prepend`, `before`, `append`, // `insertAfter`, `insertBefore`, `appendTo`, and `prependTo` methods. adjacencyOperators.forEach(function(operator, operatorIndex) { var inside = operatorIndex % 2 //=> prepend, append $.fn[operator] = function(){ // arguments can be nodes, arrays of nodes, Zepto objects and HTML strings var argType, nodes = $.map(arguments, function(arg) { var arr = [] argType = type(arg) if (argType == "array") { arg.forEach(function(el) { if (el.nodeType !== undefined) return arr.push(el) else if ($.zepto.isZ(el)) return arr = arr.concat(el.get()) arr = arr.concat(zepto.fragment(el)) }) return arr } return argType == "object" || arg == null ? arg : zepto.fragment(arg) }), parent, copyByClone = this.length > 1 if (nodes.length < 1) return this return this.each(function(_, target){ parent = inside ? target : target.parentNode // convert all methods to a "before" operation target = operatorIndex == 0 ? target.nextSibling : operatorIndex == 1 ? target.firstChild : operatorIndex == 2 ? target : null var parentInDocument = $.contains(document.documentElement, parent) nodes.forEach(function(node){ if (copyByClone) node = node.cloneNode(true) else if (!parent) return $(node).remove() parent.insertBefore(node, target) if (parentInDocument) traverseNode(node, function(el){ if (el.nodeName != null && el.nodeName.toUpperCase() === 'SCRIPT' && (!el.type || el.type === 'text/javascript') && !el.src){ var target = el.ownerDocument ? el.ownerDocument.defaultView : window target['eval'].call(target, el.innerHTML) } }) }) }) } // after => insertAfter // prepend => prependTo // before => insertBefore // append => appendTo $.fn[inside ? operator+'To' : 'insert'+(operatorIndex ? 'Before' : 'After')] = function(html){ $(html)[operator](this) return this } }) zepto.Z.prototype = Z.prototype = $.fn // Export internal API functions in the `$.zepto` namespace zepto.uniq = uniq zepto.deserializeValue = deserializeValue $.zepto = zepto return $ })() window.Zepto = Zepto window.$ === undefined && (window.$ = Zepto) ;(function($){ var _zid = 1, undefined, slice = Array.prototype.slice, isFunction = $.isFunction, isString = function(obj){ return typeof obj == 'string' }, handlers = {}, specialEvents={}, focusinSupported = 'onfocusin' in window, focus = { focus: 'focusin', blur: 'focusout' }, hover = { mouseenter: 'mouseover', mouseleave: 'mouseout' } specialEvents.click = specialEvents.mousedown = specialEvents.mouseup = specialEvents.mousemove = 'MouseEvents' function zid(element) { return element._zid || (element._zid = _zid++) } function findHandlers(element, event, fn, selector) { event = parse(event) if (event.ns) var matcher = matcherFor(event.ns) return (handlers[zid(element)] || []).filter(function(handler) { return handler && (!event.e || handler.e == event.e) && (!event.ns || matcher.test(handler.ns)) && (!fn || zid(handler.fn) === zid(fn)) && (!selector || handler.sel == selector) }) } function parse(event) { var parts = ('' + event).split('.') return {e: parts[0], ns: parts.slice(1).sort().join(' ')} } function matcherFor(ns) { return new RegExp('(?:^| )' + ns.replace(' ', ' .* ?') + '(?: |$)') } function eventCapture(handler, captureSetting) { return handler.del && (!focusinSupported && (handler.e in focus)) || !!captureSetting } function realEvent(type) { return hover[type] || (focusinSupported && focus[type]) || type } function add(element, events, fn, data, selector, delegator, capture){ var id = zid(element), set = (handlers[id] || (handlers[id] = [])) events.split(/s/).forEach(function(event){ if (event == 'ready') return $(document).ready(fn) var handler = parse(event) handler.fn = fn handler.sel = selector // emulate mouseenter, mouseleave if (handler.e in hover) fn = function(e){ var related = e.relatedTarget if (!related || (related !== this && !$.contains(this, related))) return handler.fn.apply(this, arguments) } handler.del = delegator var callback = delegator || fn handler.proxy = function(e){ e = compatible(e) if (e.isImmediatePropagationStopped()) return e.data = data var result = callback.apply(element, e._args == undefined ? [e] : [e].concat(e._args)) if (result === false) e.preventDefault(), e.stopPropagation() return result } handler.i = set.length set.push(handler) if ('addEventListener' in element) element.addEventListener(realEvent(handler.e), handler.proxy, eventCapture(handler, capture)) }) } function remove(element, events, fn, selector, capture){ var id = zid(element) ;(events || '').split(/s/).forEach(function(event){ findHandlers(element, event, fn, selector).forEach(function(handler){ delete handlers[id][handler.i] if ('removeEventListener' in element) element.removeEventListener(realEvent(handler.e), handler.proxy, eventCapture(handler, capture)) }) }) } $.event = { add: add, remove: remove } $.proxy = function(fn, context) { var args = (2 in arguments) && slice.call(arguments, 2) if (isFunction(fn)) { var proxyFn = function(){ return fn.apply(context, args ? args.concat(slice.call(arguments)) : arguments) } proxyFn._zid = zid(fn) return proxyFn } else if (isString(context)) { if (args) { args.unshift(fn[context], fn) return $.proxy.apply(null, args) } else { return $.proxy(fn[context], fn) } } else { throw new TypeError("expected function") } } $.fn.bind = function(event, data, callback){ return this.on(event, data, callback) } $.fn.unbind = function(event, callback){ return this.off(event, callback) } $.fn.one = function(event, selector, data, callback){ return this.on(event, selector, data, callback, 1) } var returnTrue = function(){return true}, returnFalse = function(){return false}, ignoreProperties = /^([A-Z]|returnValue$|layer[XY]$|webkitMovement[XY]$)/, eventMethods = { preventDefault: 'isDefaultPrevented', stopImmediatePropagation: 'isImmediatePropagationStopped', stopPropagation: 'isPropagationStopped' } function compatible(event, source) { if (source || !event.isDefaultPrevented) { source || (source = event) $.each(eventMethods, function(name, predicate) { var sourceMethod = source[name] event[name] = function(){ this[predicate] = returnTrue return sourceMethod && sourceMethod.apply(source, arguments) } event[predicate] = returnFalse }) event.timeStamp || (event.timeStamp = Date.now()) if (source.defaultPrevented !== undefined ? source.defaultPrevented : 'returnValue' in source ? source.returnValue === false : source.getPreventDefault && source.getPreventDefault()) event.isDefaultPrevented = returnTrue } return event } function createProxy(event) { var key, proxy = { originalEvent: event } for (key in event) if (!ignoreProperties.test(key) && event[key] !== undefined) proxy[key] = event[key] return compatible(proxy, event) } $.fn.delegate = function(selector, event, callback){ return this.on(event, selector, callback) } $.fn.undelegate = function(selector, event, callback){ return this.off(event, selector, callback) } $.fn.live = function(event, callback){ $(document.body).delegate(this.selector, event, callback) return this } $.fn.die = function(event, callback){ $(document.body).undelegate(this.selector, event, callback) return this } $.fn.on = function(event, selector, data, callback, one){ var autoRemove, delegator, $this = this if (event && !isString(event)) { $.each(event, function(type, fn){ $this.on(type, selector, data, fn, one) }) return $this } if (!isString(selector) && !isFunction(callback) && callback !== false) callback = data, data = selector, selector = undefined if (callback === undefined || data === false) callback = data, data = undefined if (callback === false) callback = returnFalse return $this.each(function(_, element){ if (one) autoRemove = function(e){ remove(element, e.type, callback) return callback.apply(this, arguments) } if (selector) delegator = function(e){ var evt, match = $(e.target).closest(selector, element).get(0) if (match && match !== element) { evt = $.extend(createProxy(e), {currentTarget: match, liveFired: element}) return (autoRemove || callback).apply(match, [evt].concat(slice.call(arguments, 1))) } } add(element, event, callback, data, selector, delegator || autoRemove) }) } $.fn.off = function(event, selector, callback){ var $this = this if (event && !isString(event)) { $.each(event, function(type, fn){ $this.off(type, selector, fn) }) return $this } if (!isString(selector) && !isFunction(callback) && callback !== false) callback = selector, selector = undefined if (callback === false) callback = returnFalse return $this.each(function(){ remove(this, event, callback, selector) }) } $.fn.trigger = function(event, args){ event = (isString(event) || $.isPlainObject(event)) ? $.Event(event) : compatible(event) event._args = args return this.each(function(){ // handle focus(), blur() by calling them directly if (event.type in focus && typeof this[event.type] == "function") this[event.type]() // items in the collection might not be DOM elements else if ('dispatchEvent' in this) this.dispatchEvent(event) else $(this).triggerHandler(event, args) }) } // triggers event handlers on current element just as if an event occurred, // doesn't trigger an actual event, doesn't bubble $.fn.triggerHandler = function(event, args){ var e, result this.each(function(i, element){ e = createProxy(isString(event) ? $.Event(event) : event) e._args = args e.target = element $.each(findHandlers(element, event.type || event), function(i, handler){ result = handler.proxy(e) if (e.isImmediatePropagationStopped()) return false }) }) return result } // shortcut methods for `.bind(event, fn)` for each event type ;('focusin focusout focus blur load resize scroll unload click dblclick '+ 'mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave '+ 'change select keydown keypress keyup error').split(' ').forEach(function(event) { $.fn[event] = function(callback) { return (0 in arguments) ? this.bind(event, callback) : this.trigger(event) } }) $.Event = function(type, props) { if (!isString(type)) props = type, type = props.type var event = document.createEvent(specialEvents[type] || 'Events'), bubbles = true if (props) for (var name in props) (name == 'bubbles') ? (bubbles = !!props[name]) : (event[name] = props[name]) event.initEvent(type, bubbles, true) return compatible(event) } })(Zepto) ;(function($){ var jsonpID = +new Date(), document = window.document, key, name, rscript = /<script[^<]*(?:(?!</script>)<[^<]*)*</script>/gi, scriptTypeRE = /^(?:text|application)/javascript/i, xmlTypeRE = /^(?:text|application)/xml/i, jsonType = 'application/json', htmlType = 'text/html', blankRE = /^s*$/, originAnchor = document.createElement('a') originAnchor.href = window.location.href // trigger a custom event and return false if it was cancelled function triggerAndReturn(context, eventName, data) { var event = $.Event(eventName) $(context).trigger(event, data) return !event.isDefaultPrevented() } // trigger an Ajax "global" event function triggerGlobal(settings, context, eventName, data) { if (settings.global) return triggerAndReturn(context || document, eventName, data) } // Number of active Ajax requests $.active = 0 function ajaxStart(settings) { if (settings.global && $.active++ === 0) triggerGlobal(settings, null, 'ajaxStart') } function ajaxStop(settings) { if (settings.global && !(--$.active)) triggerGlobal(settings, null, 'ajaxStop') } // triggers an extra global event "ajaxBeforeSend" that's like "ajaxSend" but cancelable function ajaxBeforeSend(xhr, settings) { var context = settings.context if (settings.beforeSend.call(context, xhr, settings) === false || triggerGlobal(settings, context, 'ajaxBeforeSend', [xhr, settings]) === false) return false triggerGlobal(settings, context, 'ajaxSend', [xhr, settings]) } function ajaxSuccess(data, xhr, settings, deferred) { var context = settings.context, status = 'success' settings.success.call(context, data, status, xhr) if (deferred) deferred.resolveWith(context, [data, status, xhr]) triggerGlobal(settings, context, 'ajaxSuccess', [xhr, settings, data]) ajaxComplete(status, xhr, settings) } // type: "timeout", "error", "abort", "parsererror" function ajaxError(error, type, xhr, settings, deferred) { var context = settings.context settings.error.call(context, xhr, type, error) if (deferred) deferred.rejectWith(context, [xhr, type, error]) triggerGlobal(settings, context, 'ajaxError', [xhr, settings, error || type]) ajaxComplete(type, xhr, settings) } // status: "success", "notmodified", "error", "timeout", "abort", "parsererror" function ajaxComplete(status, xhr, settings) { var context = settings.context settings.complete.call(context, xhr, status) triggerGlobal(settings, context, 'ajaxComplete', [xhr, settings]) ajaxStop(settings) } function ajaxDataFilter(data, type, settings) { if (settings.dataFilter == empty) return data var context = settings.context return settings.dataFilter.call(context, data, type) } // Empty function, used as default callback function empty() {} $.ajaxJSONP = function(options, deferred){ if (!('type' in options)) return $.ajax(options) var _callbackName = options.jsonpCallback, callbackName = ($.isFunction(_callbackName) ? _callbackName() : _callbackName) || ('Zepto' + (jsonpID++)), script = document.createElement('script'), originalCallback = window[callbackName], responseData, abort = function(errorType) { $(script).triggerHandler('error', errorType || 'abort') }, xhr = { abort: abort }, abortTimeout if (deferred) deferred.promise(xhr) $(script).on('load error', function(e, errorType){ clearTimeout(abortTimeout) $(script).off().remove() if (e.type == 'error' || !responseData) { ajaxError(null, errorType || 'error', xhr, options, deferred) } else { ajaxSuccess(responseData[0], xhr, options, deferred) } window[callbackName] = originalCallback if (responseData && $.isFunction(originalCallback)) originalCallback(responseData[0]) originalCallback = responseData = undefined }) if (ajaxBeforeSend(xhr, options) === false) { abort('abort') return xhr } window[callbackName] = function(){ responseData = arguments } script.src = options.url.replace(/?(.+)=?/, '?$1=' + callbackName) document.head.appendChild(script) if (options.timeout > 0) abortTimeout = setTimeout(function(){ abort('timeout') }, options.timeout) return xhr } $.ajaxSettings = { // Default type of request type: 'GET', // Callback that is executed before request beforeSend: empty, // Callback that is executed if the request succeeds success: empty, // Callback that is executed the the server drops error error: empty, // Callback that is executed on request complete (both: error and success) complete: empty, // The context for the callbacks context: null, // Whether to trigger "global" Ajax events global: true, // Transport xhr: function () { return new window.XMLHttpRequest() }, // MIME types mapping // IIS returns Javascript as "application/x-javascript" accepts: { script: 'text/javascript, application/javascript, application/x-javascript', json: jsonType, xml: 'application/xml, text/xml', html: htmlType, text: 'text/plain' }, // Whether the request is to another domain crossDomain: false, // Default timeout timeout: 0, // Whether data should be serialized to string processData: true, // Whether the browser should be allowed to cache GET responses cache: true, //Used to handle the raw response data of XMLHttpRequest. //This is a pre-filtering function to sanitize the response. //The sanitized response should be returned dataFilter: empty } function mimeToDataType(mime) { if (mime) mime = mime.split(';', 2)[0] return mime && ( mime == htmlType ? 'html' : mime == jsonType ? 'json' : scriptTypeRE.test(mime) ? 'script' : xmlTypeRE.test(mime) && 'xml' ) || 'text' } function appendQuery(url, query) { if (query == '') return url return (url + '&' + query).replace(/[&?]{1,2}/, '?') } // serialize payload and append it to the URL for GET requests function serializeData(options) { if (options.processData && options.data && $.type(options.data) != "string") options.data = $.param(options.data, options.traditional) if (options.data && (!options.type || options.type.toUpperCase() == 'GET' || 'jsonp' == options.dataType)) options.url = appendQuery(options.url, options.data), options.data = undefined } $.ajax = function(options){ var settings = $.extend({}, options || {}), deferred = $.Deferred && $.Deferred(), urlAnchor, hashIndex for (key in $.ajaxSettings) if (settings[key] === undefined) settings[key] = $.ajaxSettings[key] ajaxStart(settings) if (!settings.crossDomain) { urlAnchor = document.createElement('a') urlAnchor.href = settings.url // cleans up URL for .href (IE only), see https://github.com/madrobby/zepto/pull/1049 urlAnchor.href = urlAnchor.href settings.crossDomain = (originAnchor.protocol + '//' + originAnchor.host) !== (urlAnchor.protocol + '//' + urlAnchor.host) } if (!settings.url) settings.url = window.location.toString() if ((hashIndex = settings.url.indexOf('#')) > -1) settings.url = settings.url.slice(0, hashIndex) serializeData(settings) var dataType = settings.dataType, hasPlaceholder = /?.+=?/.test(settings.url) if (hasPlaceholder) dataType = 'jsonp' if (settings.cache === false || ( (!options || options.cache !== true) && ('script' == dataType || 'jsonp' == dataType) )) settings.url = appendQuery(settings.url, '_=' + Date.now()) if ('jsonp' == dataType) { if (!hasPlaceholder) settings.url = appendQuery(settings.url, settings.jsonp ? (settings.jsonp + '=?') : settings.jsonp === false ? '' : 'callback=?') return $.ajaxJSONP(settings, deferred) } var mime = settings.accepts[dataType], headers = { }, setHeader = function(name, value) { headers[name.toLowerCase()] = [name, value] }, protocol = /^([w-]+:)///.test(settings.url) ? RegExp.$1 : window.location.protocol, xhr = settings.xhr(), nativeSetHeader = xhr.setRequestHeader, abortTimeout if (deferred) deferred.promise(xhr) if (!settings.crossDomain) setHeader('X-Requested-With', 'XMLHttpRequest') setHeader('Accept', mime || '*/*') if (mime = settings.mimeType || mime) { if (mime.indexOf(',') > -1) mime = mime.split(',', 2)[0] xhr.overrideMimeType && xhr.overrideMimeType(mime) } if (settings.contentType || (settings.contentType !== false && settings.data && settings.type.toUpperCase() != 'GET')) setHeader('Content-Type', settings.contentType || 'application/x-www-form-urlencoded') if (settings.headers) for (name in settings.headers) setHeader(name, settings.headers[name]) xhr.setRequestHeader = setHeader xhr.onreadystatechange = function(){ if (xhr.readyState == 4) { xhr.onreadystatechange = empty clearTimeout(abortTimeout) var result, error = false if ((xhr.status >= 200 && xhr.status < 300) || xhr.status == 304 || (xhr.status == 0 && protocol == 'file:')) { dataType = dataType || mimeToDataType(settings.mimeType || xhr.getResponseHeader('content-type')) if (xhr.responseType == 'arraybuffer' || xhr.responseType == 'blob') result = xhr.response else { result = xhr.responseText try { // http://perfectionkills.com/global-eval-what-are-the-options/ // sanitize response accordingly if data filter callback provided result = ajaxDataFilter(result, dataType, settings) if (dataType == 'script') (1,eval)(result) else if (dataType == 'xml') result = xhr.responseXML else if (dataType == 'json') result = blankRE.test(result) ? null : $.parseJSON(result) } catch (e) { error = e } if (error) return ajaxError(error, 'parsererror', xhr, settings, deferred) } ajaxSuccess(result, xhr, settings, deferred) } else { ajaxError(xhr.statusText || null, xhr.status ? 'error' : 'abort', xhr, settings, deferred) } } } if (ajaxBeforeSend(xhr, settings) === false) { xhr.abort() ajaxError(null, 'abort', xhr, settings, deferred) return xhr } var async = 'async' in settings ? settings.async : true xhr.open(settings.type, settings.url, async, settings.username, settings.password) if (settings.xhrFields) for (name in settings.xhrFields) xhr[name] = settings.xhrFields[name] for (name in headers) nativeSetHeader.apply(xhr, headers[name]) if (settings.timeout > 0) abortTimeout = setTimeout(function(){ xhr.onreadystatechange = empty xhr.abort() ajaxError(null, 'timeout', xhr, settings, deferred) }, settings.timeout) // avoid sending empty string (#319) xhr.send(settings.data ? settings.data : null) return xhr } // handle optional data/success arguments function parseArguments(url, data, success, dataType) { if ($.isFunction(data)) dataType = success, success = data, data = undefined if (!$.isFunction(success)) dataType = success, success = undefined return { url: url , data: data , success: success , dataType: dataType } } $.get = function(/* url, data, success, dataType */){ return $.ajax(parseArguments.apply(null, arguments)) } $.post = function(/* url, data, success, dataType */){ var options = parseArguments.apply(null, arguments) options.type = 'POST' return $.ajax(options) } $.getJSON = function(/* url, data, success */){ var options = parseArguments.apply(null, arguments) options.dataType = 'json' return $.ajax(options) } $.fn.load = function(url, data, success){ if (!this.length) return this var self = this, parts = url.split(/s/), selector, options = parseArguments(url, data, success), callback = options.success if (parts.length > 1) options.url = parts[0], selector = parts[1] options.success = function(response){ self.html(selector ? $('<div>').html(response.replace(rscript, "")).find(selector) : response) callback && callback.apply(self, arguments) } $.ajax(options) return this } var escape = encodeURIComponent function serialize(params, obj, traditional, scope){ var type, array = $.isArray(obj), hash = $.isPlainObject(obj) $.each(obj, function(key, value) { type = $.type(value) if (scope) key = traditional ? scope : scope + '[' + (hash || type == 'object' || type == 'array' ? key : '') + ']' // handle data in serializeArray() format if (!scope && array) params.add(value.name, value.value) // recurse into nested objects else if (type == "array" || (!traditional && type == "object")) serialize(params, value, traditional, key) else params.add(key, value) }) } $.param = function(obj, traditional){ var params = [] params.add = function(key, value) { if ($.isFunction(value)) value = value() if (value == null) value = "" this.push(escape(key) + '=' + escape(value)) } serialize(params, obj, traditional) return params.join('&').replace(/%20/g, '+') } })(Zepto) ;(function($){ $.fn.serializeArray = function() { var name, type, result = [], add = function(value) { if (value.forEach) return value.forEach(add) result.push({ name: name, value: value }) } if (this[0]) $.each(this[0].elements, function(_, field){ type = field.type, name = field.name if (name && field.nodeName.toLowerCase() != 'fieldset' && !field.disabled && type != 'submit' && type != 'reset' && type != 'button' && type != 'file' && ((type != 'radio' && type != 'checkbox') || field.checked)) add($(field).val()) }) return result } $.fn.serialize = function(){ var result = [] this.serializeArray().forEach(function(elm){ result.push(encodeURIComponent(elm.name) + '=' + encodeURIComponent(elm.value)) }) return result.join('&') } $.fn.submit = function(callback) { if (0 in arguments) this.bind('submit', callback) else if (this.length) { var event = $.Event('submit') this.eq(0).trigger(event) if (!event.isDefaultPrevented()) this.get(0).submit() } return this } })(Zepto) ;(function(){ // getComputedStyle shouldn't freak out when called // without a valid element as argument try { getComputedStyle(undefined) } catch(e) { var nativeGetComputedStyle = getComputedStyle window.getComputedStyle = function(element, pseudoElement){ try { return nativeGetComputedStyle(element, pseudoElement) } catch(e) { return null } } } })() return Zepto }))