jQuery and CSS3 realize the navigation menu with fixed top position and floating effect in the imitation petal network-JS Tutorial-php.cn

jQuery and CSS3 realize the navigation menu with fixed top position and floating effect in the imitation petal network

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Release： 2018-06-25 16:44:32

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This article mainly introduces the jQuery CSS3 implementation of a navigation menu with a fixed top position and a floating effect imitating the petal network. It can realize the function of the navigation bar being horizontally suspended and fixed at the top after the page slides down. It involves jQuery event response and page elements. For operating tips related to dynamic modification of attributes, friends in need can refer to the following

This article describes the example of jQuery CSS3 implementing a navigation menu with a fixed top position and a floating effect imitating the petal network. Share it with everyone for your reference, the details are as follows:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="UTF-8">
<title>【推荐】Jquery+CSS3仿花瓣网固定顶部位置悬浮的导航菜单</title>
<style type="text/css">
body,h1,ul{margin:0;}
ul li{list-style-type:none;}
#header{width:100%;border-top:solid 1px #ccc;border-bottom:solid 1px #ccc;text-align:center;}
h1{padding:10px 0;color:#D74452;}
.nav{width:1000px;background:#fff;margin:20px auto 0;border:solid 1px #ccc;zoom:1;border-radius:5px;box-shadow:0 1px 6px rgba(0,0,0,0.1);color:#D74452;}
.nav_scroll{position:fixed;width:100%;margin:0;left:0;top:0;}
.nav:after{content:"";display:block;height:0;clear:both;visibility:hidden;}
.nav ul li{float:left;margin:0 20px;height:30px;line-height:30px;}
.nav ul li a{cursor:pointer;}
.nav ul li a:hover{text-decoration:underline;}
h2{height:400px;line-height:400px;}
</style>
<script src="jquery-1.7.2.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function(){
 var topMain=$("#header").height()+20//是头部的高度加头部与nav导航之间的距离
 var nav=$(".nav");
 $(window).scroll(function(){
 if ($(window).scrollTop()>topMain){//如果滚动条顶部的距离大于topMain则就nav导航就添加类.nav_scroll，否则就移除
  nav.addClass("nav_scroll");
 }else{
  nav.removeClass("nav_scroll");
 }
 });
})
</script>
</head>
<body>
<p id="header"><h1>花瓣</h1></p>
<p class="nav">
  <ul>
    <li><a>关注</a></li>
    <li><a>最新</a></li>
    <li><a>最热</a></li>
    <li><a>视频</a></li>
    <li><a>家居</a></li>
    <li><a>旅行</a></li>
  </ul>
</p>
<p style="background:#f9f9f9;color:#000;" id="cont">
  <h2>1</h2>
  <h2>2</h2>
  <h2>3</h2>
  <h2>4</h2>
  <h2>5</h2>
  <h2>6</h2>
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  <h2>1</h2>
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  <h2>3</h2>
  <h2>4</h2>
  <h2>5</h2>
  <h2>6</h2>
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  <h2>8</h2>
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  <h2>1</h2>
  <h2>2</h2>
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  <h2>8</h2>
</p>
</body>
</html>

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The operation effect diagram is as follows:

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