深入理解事件委托机制
最编程
2024-08-07 14:10:27
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<ul id="rarent">
<li class="child">one</li>
<li class="child">two</li>
<li class="child">three</li>
</ul>
</body>
</html>
<script type="text/javascript">
//获取父元素
var dom = document.getElementById('rarent')
dom.onckick = function (event){
var event = event || window.event
var ct = event.target || event.srcElement;
if(ct.tagName.toLowerCase() == 'li'){
//要处理的事件
}
}
</script>