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js实现原生选项卡
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>开关按钮设置</title>
</head>
<link rel="stylesheet" href="css/Default style sheet.css" />
<style>
div{
width:120px;
margin: 0px auto;
border: 2px solid black;}
ul{ display: none;
}
</style>
<script>
window.onload=function(){
var odiv=document.getElementById("v");
var oli=odiv.getElementsByTagName("ul")[0];
var onf=true
odiv.onclick=function(){
if (onf==true) {
oli.style.display='block';
onf=false
} else{
oli.style.display='none';
onf=true
}
} }
</script>
<body>
<div id="v">
<h4>你好啊，小老弟</h2>
<ul>
<li>come</li>
<li>on</li>
<li>do</li>
</ul>
</div> </body>
</html>
