js网页背景视差滚动
1、准备好需要用到的图标。

2、新建html文档。

3、书写hmtl代码。
<div class='container'>
<div class='header'>
<span>
justParallax.js
</span>
An easy to use parallax plugin.
</div>
<div class='content'>
<div class='head'>
Feature navigation
</div>
<a class='scroll-to' href='#introduction'>
Introduction
</a>
<br>
<a class='scroll-to' href='#support'>
Wide browser support
</a>
<br>
<a class='scroll-to' href='#setup'>
Easy set-up
</a>
<br>
<a class='scroll-to' href='#customize'>
Customizable parallax settings
</a>
<br>
<a class='scroll-to' href='#jquery'>
No jQuery needed
</a>
<br>
<a class='scroll-to' href='#notes'>
Notes
</a>
<br>
<a class='scroll-to' href='#playground'>
Playground
</a>
</div></div>

4、书写css代码。
body { margin: 0px; background: url('monsturs.png'); font-family: 'open sans'; color: #373737; -webkit-font-smoothing: antialiased; font-size: 20px; font-weight: 300; line-height: normal; cursor: pointer }
.container { position: relative; width: 930px; background: #fff; margin: 30px auto; padding: 0px 0px; border-radius: 3px; box-shadow: 0px 0px 5px 0px rgba(0,0,0,0.4); cursor: default; }
.modal { cursor: default; }
.header { padding: 30px 0px; text-align: center; background: #1769cf; border-radius: 3px 3px 0px 0px; color: #fff; font-size: 25px; }
.header span { font-size: 27px; font-weight: 400; margin-right: 10px; }
hr { background: #d0d0d0; }
.content { padding: 50px 75px; }
.head { font-size: 25px; }
.scroll-to { margin: 20px; clear: both; cursor: pointer; }
p { margin: 20px 0px; }
ol.sum { margin: -5px 0px 0px 55px; }
ol.sum li { line-height: normal; }
strong { font-weight: 400; }
.table thead tr th { font-weight: 400; }
p i.icon { margin: 7px 10px 0px 0px; }
select.speed { width: 89px; margin: 0px; }
.img-holder { width: 150px; height: 150px; overflow: hidden; margin: 10px; }
.img-holder img { max-width: none; cursor: pointer; }

5、书写并添加js代码。<script src='js/jscript.js'></script>

6、代码整体结构。

7、查看效果。
