<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<style>
ul {
list-style: none;
cursor: pointer;
}
</style>
</head>
<body>
<ul id="uu">
<li>库你急哇</li>
<li>擦浪黑油</li>
<li>搜得死内</li>
<li>搜嘎</li>
<li>他大姨妈</li>
</ul>
<script src="common.js"></script>
<script>
//鼠标进入和鼠标离开两个事件
//获取进入的li标签
var list = my$("uu").getElementsByTagName("li");
for (var i = 0; i < list.length; i++) {
//为li注册鼠标进入事件
list[i].onmouseover = function () {
this.style.backgroundColor = "pink";
};
//为li注册鼠标离开事件
list[i].onmouseout = function () {
//恢复到这个标签默认颜色
this.style.backgroundColor = "";
};
}
</script>
</body>
</html>
