```
<html>
<head>
<meta charset="utf-8">
<title></title>
CSS代碼
<style type="text/css">
? ?*{
????????????margin: 0px;padding: 0px;
????}
#main{
????width: 300px;
????height: 350px;
}
img{
? ? ? ?width: 300px;
????????height: 300px;
}
#box div{
????display: none;
}
li{
????list-style-type: none;
}
#oul li{
????float: left;
????width: 75px;
????text-align: center;
????height: 50px;
????line-height: 50px;
????overflow: hidden;
}
.a{
????background-color: #5F9EA0;
}
</style>
<script src="../jquery-3.4.1.min.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
HTML代碼
<div id="main">
<ul id="oul">
????<li class="a">湯姆1</li>
????<li>湯姆2</li>
????<li>湯姆3</li>
????<li>湯姆4</li>
</ul>
<div id="box">
????<div style="display: block;"><img src="imges/tm1.jpg" ></div>
????<div><img src="imges/tm2.jpg" ></div>
????<div><img src="imges/tm3.jpg" ></div>
????<div><img src="imges/tm4.jpg" ></div>
</div>
</div>
js代碼
<script type="text/javascript">
????$(function(){
????????$('li').mouseover(function(){
????????$('li').removeClass() //移除類名
????????$(this).addClass('a') //給當(dāng)前元素添加類名
????????$('#box > div').hide().eq($(this).index()).show()????????//其他兄弟節(jié)點隱藏掉 //選擇下標(biāo)顯示
????})
})
</script>
</body>
</html>
```
