zhouyrt 发表于 2013-1-29 13:51:12

图解script的defer和async

 
 
图解script的defer和async：
 
http://dl.iteye.com/upload/attachment/314840/f80e1b20-946a-3ced-8a9a-09d805a2adde.png
 
 
 
http://msdn.microsoft.com/en-us/library/ms533719%28VS.85%29.aspx
 
https://developer.mozilla.org/En/HTML/Element/Script
 
http://www.w3.org/TR/html5/scripting-1.html#script
 
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