标签：
https://channel9.msdn.com/Series/Practical-Performance-Tips-to-Make-Your-HTMLJavaScript-Faster/06?WT.mc_id=13400-DEV-sitepoint-article24
[Javascript] Avoid Creating floats if they are not needed
标签：
原文地址：http://www.cnblogs.com/yoyohappy/p/5884629.html
