事件委托选项卡,效果图
html
<!DOCTYPE html>
<document>
<html>
<head>
<meta charset="utf-8">
<title>选项卡</title>
<style type="text/css">
* {
margin: 0;
padding: 0;
font-family: "微软雅黑";
font-size: 14px;
}
#container {
width: 398px;
margin: 100px auto;
}
#container a {
display: block;
width: 98px;
height: 42px;
line-height: 42px;
text-align: center;
float: left;
border-top: solid 1px #FF4400;
border-bottom: solid 1px #FF4400;
border-left: solid 1px #FF4400;
color: #333333;
text-decoration: none;
}
#container a:hover {
color: #FF4400;
}
.content {
width: 355px;
height: 140px;
text-align: center;
border-right: solid 1px #FF4400;
border-bottom: solid 1px #FF4400;
border-left: solid 1px #FF4400;
padding: 30px 0 0 40px;
display: none;
}
.clear {
clear: left;
}
#container a.on {
background: #FF4400;
color: #fff;
}
</style>
</head>
<body>
<div id="container">
<!--a.className = ""-->
<a href="#" class="on">充话费</a>
<!--a.className = "on"-->
<a href="#">充流量</a>
<a href="#">充固话</a>
<a href="#" style="border-right: solid 1px #FF4400;">充宽带</a>
<div class="clear"></div>
<div class="content" style="display:block;">
<img src="images/1.png" />
</div>
<div class="content">
<img src="images/2.png" />
</div>
<div class="content">
<img src="images/3.png" />
</div>
<div class="content">
<img src="images/4.png" />
</div>
</div>
<p></p>
</body>
</html>
</document>
<script src="../common.js"></script>
<script type="text/javascript">
let $container = $('#container');
let $a = $A('a');
let $content = $A('.content');
$container.onclick = function(e){
e = e || window.event;
let target = e.target || e.srcElement;
if(target.nodeName == "A"){
for(let i = 0;i < $a.length;i ++){
// console.log(target)
$a[i].className = "";
$a[i].index = i;
$content[i].style.display = "none";
}
target.className = "on";
$content[target.index].style.display = "block";
}
}
</script>
