<html>
<head>
<meta charset="UTF-8">
<style type="text/css">
li {
list-style: none;
line-height: 22px;
cursor: pointer;
}
.current {
background: red;
font-weight: bold;
color: #fff;
}
</style>
<script type="text/javascript" src="../tool/jquery-1.11.0.min.js"></script>
<script type="text/javascript">
$(document).ready(function () {
$("#current").addClass("current");
});
</script>
</head>
<body>
<ul>
<li id="current">jQuery介绍</li>
<li>语法</li>
<li>事件</li>
<li>方法</li>
</ul>
</body>
</html>jQuery制作一个网站左导航特效
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