延迟加载JS

时间:2017-05-08 09:14:22   收藏:0   阅读:285

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Labjs库解决异步加载的兼容性问题

<script src="a.js" defer="defer"></script>
<script src="b.js" defer="defer"></script>
<script src="c.js" defer="defer"></script>
<script src="a.js" async="async"></script>
<script src="b.js" async="async"></script>
<script src="c.js" async="async"></script>

 

原文:http://www.cnblogs.com/zz-mystudy/p/6823371.html

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