<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<script type="text/javascript">
window.onload = function () {
var list = document.getElementById("myLinks");
list.onclick = function (event) {
var target = event.target;
switch (target.id) {
case "doSomething":
document.title = "I change the document‘s title";
break;
case "goSomewhere":
location.href = "http://baidu.com";
break;
case "sayHi":
alert("hi");
break;
}
}
}
</script>
</head>
<body>
<ul id="myLinks">
<li id="goSomewhere">Go somewhere</li>
<li id="doSomething">Do something</li>
<li id="sayHi">Say hi</li>
</ul>
</body>
</html>
这样的好处是，不需要为3个li 增加Onclick事件，从而节约内存
时间： 2024-08-10 21:14:22