task2-4.html
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style>
*{
margin:0;
padding:0
}
#search_box{
margin:1% auto;
300px;
height:25px;
border:1px solid #999;
}
#input_text{
240px;
border:none;
}
#input_submit{
border:none;
59px;
border-left: 1px solid #999;
height:25px;
}
#message_box{
position:absolute;
}
#message_box ul{
border:1px solid #999;
240px;
}
#message_box li{
display:none;
list-style: none;
font-size: 15px;
line-height: 1.5;
}
</style>
</head>
<body>
<!--搜索框-->
<div id="search_box">
<input autocomplete="off"; id="input_text" type="text"><input id="input_submit" type="submit">
</div>
<!--信息提示框-->
<div id="message_box">
<ul>
<li>电视剧</li>
<li>锦绣未央</li>
<li>唐嫣</li>
<li>电视剧唐嫣锦绣未央</li>
<li>综艺</li>
<li>综艺极限挑战</li>
<li>极限挑战</li>
<li>黄渤</li>
<li>综艺极限挑战黄渤</li>
<li>综艺极限挑战孙漂亮</li>
<li>综艺极限挑战神算子</li>
<li>综艺极限挑战朱碧石</li> <li>了不起的挑战综艺</li> </ul> </div><script> /** * Created by Administrator on 2016/12/8. *///封装getElementById var dom=function(ele){ return document.getElementById(ele); }; //获得某元素的top var totalTop= function (selector) { var top= selector.offsetTop; selector=selector.offsetParent; while(selector!=null){ top+=selector.offsetTop; selector=selector.offsetParent; } return top; }; //获得某元素的left var totalLeft= function (selector) { var left= selector.offsetLeft; selector=selector.offsetParent; while(selector!=null){ left+=selector.offsetLeft; selector=selector.offsetParent; } return left; }; //定位信息提示框的位置 dom("message_box").style.top=totalTop(dom("search_box"))+dom("search_box").clientHeight+"px"; dom("message_box").style.left=totalLeft(dom("search_box"))+"px"; //监听输入的信息 var index = -1; function addEvent(selector, event, listener) { if(selector.addEventListener){ selector.addEventListener(event,listener,false); } else if(selector.attachEvent){ selector.attachEvent("on"+event,listener); } else{ selector["on"+event]=listener; } } addEvent(dom("input_text"),"keyup",suggest); var as=new Array; //监听事件的listener function suggest() { var text=dom("input_text").value.replace(/s+/,''); var lii=document.getElementsByTagName("li"); document.onclick=function(){ for(var i= 0,l= lii.length;i<l;i++){ lii[i].style.display="none"; } }; var j=0; for(var i= 0,l= lii.length;i<l;i++){ lii[i].style.display="none"; if(lii[i].innerHTML.substring(0,text.length)==text){ lii[i].style.display="block"; as[j]=lii[i]; j++; } } for(var i=0;i<as.length;i++) { as[i].onmouseover = function () { this.style.background = "#999"; var idx = Array.indexOf(as, this); index = idx; }; as [i].onclick = function (event) { event = event || window.event; if (event.stopPropagation) { event.stopPropagation(); } else { event.cancelBubble = true; } for(var i= 0,l= lii.length;i<l;i++){ lii[i].style.display="none"; } console.log(this.innerHTML); dom("input_text").value = this.innerHTML; }; as [i].onmouseout = function () { this.style.backgroundColor = "#fff"; }; //监听相应按键取值的事件 document.onkeyup = function (event) { event = event || window.event; for (var i = 0; i < as.length; i++) { as[i].style.background = "#fff"; } if (event.keyCode == 38) { if (index > 0) { console.log(index); index = index - 1; as[index].style.background = "#999"; } else { console.log(event.keyCode); index = as.length - 1; console.log(index); as[index].style.background = "#999"; } } else if (event.keyCode == 40) { if (index < as.length - 1) { index = index + 1; as[index].style.background = "#999"; } else { console.log(event.keyCode); index = 0; as[index].style.background = "#999"; } } else if (event.keyCode == 13) { for(var i= 0,l= lii.length;i<l;i++){ lii[i].style.display="none"; } if (event.stopPropagation) { event.stopPropagation(); } else { event.cancelBubble = true; } dom("input_text").value = as[index].innerHTML; } }; } }</script>
</body>
</html>
task2-5.html
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style>
#box{
position:relative;
}
#left div,#right div{
background:white;
200px;
height:50px;
border:1px solid black;
position:absolute;
}
#right div{
left:1130px;
}
#left div{
left:1px;
}
#left{
float:left;
202px;
height:400px;
border:1px solid black;
}
#right{
float:right;
202px;
height:400px;
border:1px solid black;
}
</style>
</head>
<body>
<div id="box">
<div id="left">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
</div>
<div id="right">
<div>5</div>
<div>6</div>
<div>7</div>
</div>
</div>
<script src="scripts/util.js"></script>
<script>
getTop();
// javascript定义css样式
function getTop(){
var l=$('#left').getElementsByTagName('div');
var r=$('#right').getElementsByTagName('div');
for(var i=0;i< l.length;i++){
l[i].style.top=i*50+'px';
l[i].style.left=1+'px';
}
for(var i=0;i< r.length;i++){ r[i].style.top=i*50+'px'; r[i].style.left=1130+'px'; } }// 事件代理 #left 的mousedown事件 delegateEvent($("#left"),"div",'mousedown', function (target,e) { posX= e.clientX- target.offsetLeft, posY= e.clientY- target.offsetTop;// onmousemove事件会更新clientX，不会更新offsetLeft，所以先取得鼠标离target边框的posX和posY target.onmousemove= function (e) { e=e||window.event; target.style.left= (e.clientX-posX)+'px'; target.style.top= (e.clientY-posY)+'px'; };// 判断松开时的坐标，并定义其坐标 target.onmouseup=function(e){ target.onmousemove=null; e=e||window.event; target.style.left= (e.clientX-posX)+'px'; target.style.top= (e.clientY-posY)+'px'; target.onmouseup=null; if(e.clientX>=620){ var lastTop=$('#right').getElementsByTagName("div").length*50; var lastLeft=1130+'px'; $("#left").removeChild(target); $('#right').appendChild(target); target.style.left= lastLeft; target.style.top= lastTop+'px'; } else{ $("#left").removeChild(target); $('#left').appendChild(target); target.style.left= orginX; target.style.top= orginY; } };// var clone=cloneObject(target);// $("#left").removeChild(target);// $('#right').appendChild(target); }) // 事件代理 #right 的mousedown事件 delegateEvent($("#right"),"div",'mousedown', function (target,e) { posX= e.clientX- target.offsetLeft, posY= e.clientY- target.offsetTop;// onmousemove事件会更新clientX，不会更新offsetLeft，所以先取得鼠标离target边框的posX和posY target.onmousemove= function (e) { e=e||window.event; target.style.left= (e.clientX-posX)+'px'; target.style.top= (e.clientY-posY)+'px'; };// 判断松开时的坐标，并定义其坐标 target.onmouseup=function(e){ target.onmousemove=null; e=e||window.event; target.style.left= (e.clientX-posX)+'px'; target.style.top= (e.clientY-posY)+'px'; target.onmouseup=null; if(e.clientX<=620){ var lastTop=$('#left').getElementsByTagName("div").length*50; var lastLeft=1+'px'; $("#right").removeChild(target); $('#left').appendChild(target); target.style.left= lastLeft; target.style.top= lastTop+'px'; } else{ $("#right").removeChild(target); $('#right').appendChild(target); target.style.left= orginX; target.style.top= orginY; } };// var clone=cloneObject(target);// $("#left").removeChild(target);// $('#right').appendChild(target); })</script></body></html>
onmousemove事件会更新clientX，不会更新offsetLeft，所以先取得鼠标离target边框的posX和posY 不然会有闪动