lovecoding
/
W250913


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        li {
            list-style: none;
        }

        .box {
            width: 600px;
            height: 100px;
            margin: 100px auto;
        }

        .box ul {
            display: flex;
        }

        .box li {
            width: 200px;
            height: 100px;
            background-color: #aaa;
            font-size: 50px;
            text-align: center;
            line-height: 100px;
            color: #fff;
        }

        .box .active {
            background-color: #111;
        }
    </style>
</head>

<body>
    <div class="box">
        <ul>
            <li class="first active">first</li>
            <li class="second">second</li>
            <li class="third">third</li>
        </ul>
    </div>
    <script>
        var aLi = document.querySelectorAll("li");
        for (var i = 0; i < aLi.length; i++) {
            aLi[i].onclick = function () {
                var innerText = this.innerText;
                window.location.hash = innerText;
                for (var j = 0; j < aLi.length; j++) {
                    aLi[j].classList.remove("active");
                }
                this.classList.add("active");
            }
        }

        window.onhashchange = function(){
            var hash = window.location.hash;
            hash = hash.slice(1);
            console.log(hash);
            if(hash == ""){
                for(var j=0;j<aLi.length;j++){
                    aLi[j].classList.remove("active");
                }
                aLi[0].classList.add("active");
                return;
            }
            for(var i=0;i<aLi.length;i++){
                if(aLi[i].innerText == hash){
                    aLi[i].classList.add("active");
                }else{
                    aLi[i].classList.remove("active");
                }
            }

        }
    </script>
</body>

</html>