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视差滚动指网页滚动过程中,多层次的元素进行不同程度的移动,视觉上形成立体运动效果的网页展示技术。主要核心就是前景和背景以不同速度移动,从而创造出3D效果。利用background-attachment属性实现。stellar.js是一个jQuery插件,能很容易地给网站添加视差滚动效果。以下介绍stellar的简单使用:
1.引入js包
- <script src="path/to/jquery/jquery.min.js"></script>
- <script src="path/to/jquery.stellar.min.js"></script>
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2.引用HTML和css样式
- <div class="content" id="content1">
- <p>TEXT HERE</p>
- </div>
- <div class="content" id="content2">
- <p>TEXT HERE</p>
- </div>
- <div class="content" id="content3" data-stellar-background-ratio="0.5">
- <p>TEXT HERE</p>
- </div>
- <div class="content" id="content4" data-stellar-background-ratio="0.5">
- <p>TEXT HERE</p>
- </div>
- <div class="content" id="content5" data-stellar-background-ratio="0.5">
- <p>TEXT HERE</p>
- </div>
- <div class="content" id="content6" data-stellar-background-ratio="0.5">
- <p>TEXT HERE</p>
- </div>
- //css样式中设置content背景等
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3.js 调用函数
- $.stellar({
- horizontalScrolling: false,
- responsive: true
- });
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4.详细参数
5.实例
- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <title>Document</title>
- <style type="text/css">
- html,body{
- height: 100%;
- }
- .content{
- width: 100%;
- height: 100%;
- }
- .content2{
- background: url(images/2.jpg) 0 0/100% 100% no-repeat;
- /*背景图像相对于窗体固定*/
- background-attachment: fixed;
- }
- .content4{
- background: url(images/4.jpg) 0 0/100% 100% no-repeat;
- background-attachment: fixed;
- }
- /*.yezi{
- position: fixed;
- top: 50px;
- right: 10px;
- }*/
- </style>
- </head>
- <body>
- <!-- data-stellar-ratio 元素针对页面滚动的速度比率 -->
- <!-- <img src="images/big-01.png" alt="" class="yezi" data-stellar-ratio="2"> -->
- <div class="content content1">111</div>
- <!-- data-stellar-background-ratio 设置元素背景的滚动速率 -->
- <div class="content content2" data-stellar-background-ratio="5"></div>
- <div class="content content3">333</div>
- <div class="content content4" data-stellar-background-ratio="0.5"></div>
- <script type="text/javascript" src="jquery.min.js"></script>
- <!-- 引入视差滚动插件stellar -->
- <script type="text/javascript" src="jquery.stellar.min.js"></script>
- <script type="text/javascript">
- $(function(){
- $.stellar({
- // 设置视差效果方向
- horizontalScrolling:false,
- // load或者resize事件触发时是否刷新页面
- responsive:true
- })
- })
- </script>
- </body>
- </html>
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