下边分为两个版本，一种是点击切换选项(index.js)，一种是滑过切换选项(index1.js)
HTML文件：
jq使用jquery-1.11.3.js版本
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>jQuery选项卡</title>
<link rel="stylesheet" href="css/reset.min.css"/>
<link rel="stylesheet" href="css/index.css"/>
</head>
<body>
<div class="container">
<!--<span class="select">选项一</span><span>选项二</span><span>选项三</span>-->
<ul class="tip clear">
<li class="cur">选项一</li>
<li>选项二</li>
<li>选项三</li>
</ul>
<div class="contain cur">页卡一</div>
<div class="contain">页卡二</div>
<div class="contain">页卡三</div>
</div>
<div class="container">
<!--<span class="select">选项一</span><span>选项二</span><span>选项三</span>-->
<ul class="tip clear">
<li class="cur">选项一</li>
<li>选项二</li>
<li>选项三</li>
</ul>
<div class="contain cur">页卡一</div>
<div class="contain">页卡二</div>
<div class="contain">页卡三</div>
</div>
<script src="js/jquery-1.11.3.js"></script>
<!--jQuery原型上扩展的插件-->
<script src="js/index.js"></script>
<script type="text/javascript">
/*$('.container').on('click', '.tip>li', function () {
$(this).addClass('cur').siblings().removeClass('cur')
.parent().siblings('.con').removeClass('cur')
.eq($(this).index()).addClass('cur');
});*/
//事件委托：利用事件冒泡传播机制
// 模拟选项卡的ajax请求
/*$('.tab>.tip>li').mouseover(function () {
var curIndex = $(this).index();
// $(this).addClass('cur').siblings().removeClass('cur')
// .parent().siblings('.contain')
// .eq(curIndex).addClass('cur')
// .siblings().removeClass('cur');
$(this).addClass('cur').siblings().removeClass('cur')
.parent().siblings('.contain')
.each(function (index, item) {
//->this:item
curIndex === index ? $(this).addClass('cur') : $(this).removeClass('cur');
});
});*/
</script>
</body>
</html>
index.css
@charset "utf-8";
.container {
600px;
height: 400px;
margin: 20px auto;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
.container .tip li {
float: left;
200px;
text-align: center;
line-height: 40px;
font-size: 18px;
background-color: lightblue;
cursor: pointer;
}
.container .tip li.cur {
background-color: lightsteelblue;
}
.container .contain {
display: none;
600px;
height: 300px;
line-height: 300px;
font-size: 20px;
text-align: center;
background-color: lightsteelblue;
}
.container .contain.cur {
display: block;
}
reset.min.css代码：
body,h1,h2,h3,h4,h5,h6,hr,p,blockquote,dl,dt,dd,ul,ol,li,button,input,textarea,th,td{margin:0;padding:0}body{font-size:12px;font-style:normal;font-family:"5FAE8F6F96C59ED1",Helvetica,sans-serif}small{font-size:12px}h1{font-size:18px}h2{font-size:16px}h3{font-size:14px}h4,h5,h6{font-size:100%}ul,ol{list-style:none}a{text-decoration:none;background-color:transparent}a:hover,a:active{outline-0;text-decoration:none}table{border-collapse:collapse;border-spacing:0}hr{border:0;height:1px}img{border-style:none}img:not([src]){display:none}svg:not(:root){overflow:hidden}html{-webkit-touch-callout:none;-webkit-text-size-adjust:100%}input,textarea,button,a{-webkit-tap-highlight-color:rgba(0,0,0,0)}article,aside,details,figcaption,figure,footer,header,main,menu,nav,section,summary{display:block}audio,canvas,progress,video{display:inline-block}audio:not([controls]),video:not([controls]){display:none;height:0}progress{vertical-align:baseline}mark{background-color:#ff0;color:#000}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sub{bottom:-0.25em}sup{top:-0.5em}button,input,select,textarea{font-size:100%;outline:0}button,input{overflow:visible}button,select{text-transform:none}textarea{overflow:auto}button,html [type="button"],[type="reset"],[type="submit"]{-webkit-appearance:button}button::-moz-focus-inner,[type="button"]::-moz-focus-inner,[type="reset"]::-moz-focus-inner,[type="submit"]::-moz-focus-inner{border-style:none;padding:0}button:-moz-focusring,[type="button"]:-moz-focusring,[type="reset"]:-moz-focusring,[type="submit"]:-moz-focusring{outline:1px dotted ButtonText}[type="checkbox"],[type="radio"]{box-sizing:border-box;padding:0}[type="number"]::-webkit-inner-spin-button,[type="number"]::-webkit-outer-spin-button{height:auto}[type="search"]{-webkit-appearance:textfield;outline-offset:-2px}[type="search"]::-webkit-search-cancel-button,[type="search"]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-input-placeholder{color:inherit;opacity:.54}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}.clear:after{display:block;height:0;content:"";clear:both}
index.js代码：
$.fn.extend({ changeTab: function (index, type) { //->this:current tab index = index || 0; type = type || 'click'; var $list = $(this).find('.tip>li'), $contain = $(this).find('.contain'); //->select default $list.removeClass('cur').eq(index).addClass('cur'); $contain.removeClass('cur').eq(index).addClass('cur'); //->click var preIndex = index; $(this).on(type, function (e) { var tar = e.target, $tar = $(tar), tarTag = tar.tagName.toUpperCase(); //->TARGET IS TAB if (tarTag === 'LI' && $tar.parent().hasClass('tip')) { //->REMOVE $list.eq(preIndex).removeClass('cur'); $contain.eq(preIndex).removeClass('cur'); //->ADD var curIndex = $tar.index(); $tar.addClass('cur'); $contain.eq(curIndex).addClass('cur'); preIndex = curIndex; } }); } });
// $('#tab1').changeTab(0, 'mouseover');
// $('#tab2').changeTab(2);
$('.container').each(function () {
$(this).changeTab();
});
index1.js代码：
$.fn.extend({ changeTab: function (index, type) { $.each(this, function () { //->this:current tab index = index || 0; type = type || 'click'; var $list = $(this).find('.tip>li'), $contain = $(this).find('.contain'); //->select default $list.removeClass('cur').eq(index).addClass('cur'); $contain.removeClass('cur').eq(index).addClass('cur'); //->click var preIndex = index; $(this).on(type, function (e) { var tar = e.target, $tar = $(tar), tarTag = tar.tagName.toUpperCase(); //->TARGET IS TAB if (tarTag === 'LI' && $tar.parent().hasClass('tip')) { //->REMOVE $list.eq(preIndex).removeClass('cur'); $contain.eq(preIndex).removeClass('cur'); //->ADD var curIndex = $tar.index(); $tar.addClass('cur'); $contain.eq(curIndex).addClass('cur'); preIndex = curIndex; } }); }); } }); // $('#tab1').changeTab(0, 'mouseover'); // $('#tab2').changeTab(2); $('.container').changeTab(0, 'mouseover');