标签：center cursor 事件 width har tor utf-8 ack lan
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style type="text/css">
* {
margin: 0;
padding: 0;
}
ul {
list-style: none;
}
.wrapper {
width: 1000px;
height: 475px;
margin: 0 auto;
margin-top: 100px;
}
.tab {
border: 1px solid #ddd;
border-bottom: 0;
height: 36px;
width: 320px;
}
.tab li {
position: relative;
float: left;
width: 80px;
height: 34px;
line-height: 34px;
text-align: center;
cursor: pointer;
border-top: 4px solid #fff;
}
.tab span {
position: absolute;
right: 0;
top: 10px;
background: #ddd;
width: 1px;
height: 14px;
overflow: hidden;
}
.products {
width: 1002px;
border: 1px solid #ddd;
height: 476px;
}
.products .main {
float: left;
display: none;
}
.products .main.selected {
display: block;
}
.tab li.active {
border-color: red;
border-bottom: 0;
}
</style>
</head>
<body>
<div class="wrapper">
<ul class="tab">
<li class="tab-item active">1<span>◆</span></li>
<li class="tab-item">2<span>◆</span></li>
<li class="tab-item">3<span>◆</span></li>
<li class="tab-item">4</li>
</ul>
<div class="products">
<div class="main selected">
<a href="###"><img src="imgs/1.jpg" /></a>
</div>
<div class="main">
<a href="###"><img src="imgs/2.jpg" /></a>
</div>
<div class="main">
<a href="###"><img src="imgs/3.jpg" /></a>
</div>
<div class="main">
<a href="###"><img src="imgs/4.jpg" /></a>
</div>
</div>
</div>
<script>
var lis = document.querySelectorAll(".tab-item");
var divs = document.querySelectorAll(".main");
// 注册鼠标经过事件
for(var i = 0; i < lis.length; i++) {
lis[i].index = i;
lis[i].onmouseover = function () {
// 让当前li有active类，其他li没有active类型
for(var i = 0; i < lis.length; i++) {
lis[i].classList.remove("active");
divs[i].classList.remove("selected");
}
// 让对应下标的div有selected类，其他div没有selected类
this.classList.add("active");
divs[this.index].classList.add("selected");
};
}
</script>
</body>
</html>
标签：center cursor 事件 width har tor utf-8 ack lan
原文地址：https://www.cnblogs.com/miss-yang/p/10308825.html
