78 lines
1.6 KiB
HTML
78 lines
1.6 KiB
HTML
<!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 http-equiv="X-UA-Compatible" content="IE=edge">
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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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ul,
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li {
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margin: 0;
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padding: 0;
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list-style: none;
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}
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.title {
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display: flex;
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}
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.title li {
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margin-right: 10px;
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}
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.title .active {
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color: red;
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}
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.content li {
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display: none;
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}
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.content .active {
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display: block;
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}
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</style>
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</head>
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<body>
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<ul class="title">
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<li class="active">首页</li>
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<li>社会</li>
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<li>军事</li>
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<li>科技</li>
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</ul>
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<ul class="content">
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<li class="active">首页 的内容</li>
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<li>社会 的内容</li>
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<li>军事 的内容</li>
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<li>科技 的内容</li>
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</ul>
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</body>
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<script>
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var titleLi = _(".title li"), contentLi = _(".content li")
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titleLi.forEach(function (v, i) {
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v.onclick = function () {
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titleLi.forEach(function (a, b) {
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a.className = " "
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contentLi[b].className = ""
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})
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v.className = "active"
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contentLi[i].className = "active"
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}
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})
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function $(className) {
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return document.querySelector(className)
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}
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function _(className) {
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return document.querySelectorAll(className)
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}
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</script>
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</html> |