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@@ -0,0 +1,64 @@
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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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+ .box div {
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+ width: 200px;
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+ height: 120px;
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+ background-color: #aaa;
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+ color: #fff;
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+ font-size: 40px;
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+ font-weight: bolder;
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+ text-align: center;
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+ line-height: 120px;
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+ }
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+
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+ .box {
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+ display: flex;
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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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+ <div data-val="first" class="tab-btn active">first</div>
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+ <div data-val="second" class="tab-btn">second</div>
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+ <div data-val="third" class="tab-btn">third</div>
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+ </div>
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+ <script>
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+ var tabBtns = document.querySelectorAll('.tab-btn');
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+
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+ tabBtns.forEach((item)=>{
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+ item.onclick = function(){
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+ tabBtns.forEach((item)=>{
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+ item.classList.remove("active");
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+ });
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+ this.classList.add("active");
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+ let thisVal = this.dataset.val;
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+ window.history.pushState(thisVal,"");
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+ }
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+ })
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+
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+ window.onpopstate = function(){
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+ let thisState = window.history.state;
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+ tabBtns.forEach((item)=>{
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+ if(item.dataset.val == thisState){
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+ tabBtns.forEach((item)=>{
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+ item.classList.remove("active");
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+ });
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+ item.classList.add("active");
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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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