Artikel ini berkongsi dengan anda cara melaksanakan kesan penukaran tab dalam JavaScript Kandungan pelaksanaan khusus adalah seperti berikut
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>Tab</title>
<script src="js/jquery-1.11.1.js"></script>
<style>
*{
margin: 0;
padding: 0;
}
div{
width: 184px;
height: 100px;
border: 1px solid gray;
display: none;
}
.tab{
list-style: none;
width: 200px;
overflow: hidden;
}
.tab li{
float: left;
width: 60px;
border: 1px solid red;
height: 30px;
line-height: 30px;
vertical-align: middle;
text-align: center;
cursor: pointer;
}
.on{
display: block;
}
.cur{
background: red;
color: #fff;
}
</style>
<script>
$(function(){
$('.tab li').hover(function(){
$(this).addClass('cur').siblings().removeClass('cur');
$("div").eq($(this).index()).addClass("on").siblings().removeClass('on');
})
})
</script>
</head>
<body>
<ul class="tab">
<li class="cur">最新</li>
<li>热门</li>
<li>新闻</li>
</ul>
<div class="on">11</div>
<div>22</div>
<div>33</div>
<br/>
<input type="text" value="你好请输入密码" onfocus="if(this.value=='你好请输入密码'){value=''}" onblur="if(this.value==''){value='你好请输入密码'}">
</body>
</html>
![[Web front-end] Permulaan pantas Node.js](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
