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@@ -0,0 +1,83 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+<head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Document</title>
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+ <style>
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+ *{
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+ margin: 0;
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+ padding: 0;
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+ }
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+ li{
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+ list-style: none;
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+ }
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+ .box{
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+ width: 600px;
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+ height: 100px;
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+ background-color: #999;
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+ margin:100px auto;
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+ }
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+ .box ul{
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+ display: flex;
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+ }
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+ .box li{
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+ width: 200px;
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+ height: 100px;
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+ font-size: 50px;
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+ font-weight: bold;
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+ text-align: center;
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+ line-height: 100px;
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+ color: white;
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+ }
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+ .box ul .active{
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+ background-color: #111;
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+
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+ }
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+ </style>
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+</head>
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+<body>
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+ <div class="box">
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+ <ul>
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+ <li class="active">first</li>
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+ <li>second</li>
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+ <li>thrid</li>
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+ </ul>
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+ </div>
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+ <script>
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+ var lis = document.querySelectorAll("li");
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+
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+ // 循环绑定事件
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+ for(var i=0;i<lis.length;i++){
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+ lis[i].onclick = function(){
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+ // 点击li时，移除所有active类名
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+ for(var j=0;j<lis.length;j++){
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+ lis[j].classList.remove("active");
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+ }
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+ // 点击li时，为当前li添加active类名
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+ this.classList.add("active");
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+ // 使用hash模式添加历史记录
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+ location.hash = this.innerText;
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+ }
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+ }
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+ // 监听hashchange事件
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+ window.onhashchange = function(){
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+ // 获取当前hash值
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+ var hash = location.hash;
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+ // 截取字符串#后面的内容
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+ hash = hash.substring(1);
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+ console.log(hash);
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+ // 根据hash值，切换active类名
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+ for(var i=0;i<lis.length;i++){
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+ if(lis[i].innerText == hash){
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+ lis[i].classList.add("active");
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+ }else{
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+ lis[i].classList.remove("active");
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+ }
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+ }
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+
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+ }
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+
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+ </script>
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+</body>
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+</html>
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