<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style type="text/css">
li{cursor:pointer;}
.select{background:pink;}
</style>
</head>
<body>
<ul>
<li>这是菜单1</li>
<li>这是菜单2</li>
<li>这是菜单3</li>
<li>这是菜单4</li>
<li>这是菜单5</li>
<li>这是菜单6</li>
<li>这是菜单7</li>
<li>这是菜单8</li>
</ul>
</body>
</html>
<script type="text/javascript">
window.onload = function (){
var aLi = document.getElementsByTagName("li");
console.log(aLi);
var i = 0;
for (i = 0; i < aLi.length; i++){//得到li的长度
aLi[i].onclick = function () {
for (i = 0; i < aLi.length; i++) {
aLi[i].className = aLi[i].className.replace(/\s?select/,"");//替换select为空
console.log(aLi[i]);
}
this.className += "select";//添加select类
};
}
};
</script>效果：
原文地址：
https://www.cnblogs.com/liubeimeng/p/5509103.html
版权属于：soarli
本文链接：https://blog.soarli.top/archives/531.html
转载时须注明出处及本声明。
