js代码网页背景粒子特效代码

效果图如下：

JS代码如下：

<script type='text/javascript' color='66,133,244' zIndex='-1' opacity='0.5' count='99' src='//cdn.bootcss.com/canvas-nest.js/1.0.0/canvas-nest.min.js'></script>

将上面js代码添加到网站底部即可！