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@@ -0,0 +1,88 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+
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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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+
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+ li {
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+ list-style: none;
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+ }
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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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+ margin: 100px auto;
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+ }
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+
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+ .box ul {
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+ display: flex;
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+ }
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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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+ background-color: #aaa;
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+ font-size: 50px;
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+ text-align: center;
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+ line-height: 100px;
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+ color: #fff;
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+ }
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+
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+ .box .active {
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+ background-color: #111;
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+ }
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+ </style>
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+</head>
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+
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+<body>
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+ <div class="box">
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+ <ul>
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+ <li class="first active">first</li>
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+ <li class="second">second</li>
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+ <li class="third">third</li>
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+ </ul>
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+ </div>
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+ <script>
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+ var aLi = document.querySelectorAll("li");
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+ for (var i = 0; i < aLi.length; i++) {
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+ aLi[i].onclick = function () {
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+ var innerText = this.innerText;
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+ window.location.hash = innerText;
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+ for (var j = 0; j < aLi.length; j++) {
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+ aLi[j].classList.remove("active");
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+ }
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+ this.classList.add("active");
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+ }
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+ }
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+
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+ window.onhashchange = function(){
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+ var hash = window.location.hash;
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+ hash = hash.slice(1);
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+ console.log(hash);
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+ if(hash == ""){
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+ for(var j=0;j<aLi.length;j++){
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+ aLi[j].classList.remove("active");
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+ }
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+ aLi[0].classList.add("active");
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+ return;
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+ }
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+ for(var i=0;i<aLi.length;i++){
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+ if(aLi[i].innerText == hash){
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+ aLi[i].classList.add("active");
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+ }else{
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+ aLi[i].classList.remove("active");
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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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+
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+</html>
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