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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 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>web新闻网站</title>
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<link rel="stylesheet" href="css/index.css">
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</head>
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<body>
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<div class="Progress">
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<div class="Prostick"></div>
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</div>
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<div class="navbar">
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<div class="navinit">
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<div class="logo">web新闻网站</div>
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<div class="navbtnpart">
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<div class="navbtn"><a href="index.html">首页</a></div>
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<div class="navbtn"><a href="newsclass.html">新闻分类</a></div>
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<div class="navbtn"><a href="#">专题报道</a></div>
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<div class="navbtn"><a href="#">新闻资讯</a></div>
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<div class="navbtn"><a href="#">互动交流</a></div>
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</div>
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</div>
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</div>
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<div class="mainbody">
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<div class="banner">
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<img src="/pics/47202.jpg">
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</div>
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<div class="newszy">
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<h3>新闻的作用</h3>
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<ul>
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<li>示例</li>
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<li>示例</li>
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<li>示例</li>
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<li>示例</li>
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<li>示例</li>
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</ul>
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</div>
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<div class="newsinfo">
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<h3>新闻的定义</h3>
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<p>示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例</p>
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<p>示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例</p>
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<p>示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例示例</p>
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</div>
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</div>
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<div class="footer">web新闻网站</div>
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<script>
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let totalHight = document.body.scrollHeight - window.innerHeight
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const Prostick = document.querySelector('.Prostick')
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window.addEventListener('scroll', function () {
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let pro = (window.pageYOffset / totalHight) * 100
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Prostick.style.width = pro + '%'
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})
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</script>
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</body>
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</html>
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