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$('.taskBox').delegate('.taskBoxLinks','mousemove',function(e){
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<title>进度条</title>
<style type="text/css">
body,td,th {
font-family: Verdana, Geneva, sans-serif;
font-size: 12px;
}
h1{ font-size:16px; color:#999; font-weight:normal; text-align:center; line-height:90px; border-top:1px dashed #ddd; margin-top:50px;}
*{ margin:0; padding:0;}
.taskBoxLinks { float:left; width:225px; height:7px; font-size:0; line-height:0; background:#f2f2f2; border:1px solid #dedede;-moz-border-radius:6px;-webkit-border-radius:6px;border-radius:6px; position:relative; margin-top:8px; margin-right:10px; cursor:pointer;}
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.taskBox { width:360px; margin:40px auto; color:#666;}
</style>
</head>
<body>
<div class="taskBox">
<div class="taskBoxLinks"><h3 style="width:10%;"></h3><h4></h4></div>进度<span>10%</span>
</div>
<div class="taskBox" style="padding-left:100px;">
<div class="taskBoxLinks"><h3 style="width:60%;"></h3><h4></h4></div>进度<span>60%</span>
</div>
<div class="taskBox">
<div class="taskBoxLinks"><h3 style="width:20%;"></h3><h4></h4></div>进度<span>20%</span>
</div>
<h1>by <a href="http://www.wweya.com">www.wweya.com</a></h1>
</body>
</html>