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<html>
<head>
<style>
.first{
width: 366px;height: 184px;
// position: relative;
text-align:left;
z-index:1000;
display: none;
color: red;
}
.second{
width: 366px;height:184px;top:0px;
position: absolute;
color: blue;
}
body > div {
position: relative;
}
</style>
</head>
<body>
<div >
<div id="first" class="first">
div content-1
</div>
<div id="second" class="second">
div content
</div>
</div>
</body>
<script type="text/javascript" src="./js/jquery-2.1.3.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("#second").bind("click",function(){
$("#first").show();
});
});
</script>
</html>
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原文地址：http://www.cnblogs.com/sodagreen/p/4298264.html
