<!DOCTYPE html>
<html>
<head>
<meta charset=" utf-8">
<meta name="author" content="//www.VeVB.COm/" />
<title>武林网</title>
<style type="text/css">
div{
height:150px;
width:150px;
background-color:green;
margin-top:10px;
text-align:center;
line-height:150px;
}
</style>
<script type="text/javascript" src="mytest/jQuery/jquery-1.8.3.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("div").text($("div").width())
})
</script>
</head>
<body>
<div></div>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset=" utf-8">
<meta name="author" content="//www.VeVB.COm/" />
<title>CSS教程</title>
<style type="text/css">
span{
color:red;
}
</style>
<title>武林网</title>
<script type="text/javascript" src="mytest/jQuery/jquery-1.8.3.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("#btn").click(function(){
alert($("li").index());
})
});
</script>
</head>
<body>
<div>
<ul>
<li>后台专区</li>
<li>前台专区</li>
<li>数据库专区</li>
<li>站长交流</li>
</ul>
</div>
<div>当前li元素的位置:<span>0</span></div>
<button id="btn">点击查看实例</button>
</body>
</html>
