摘要：
http://ued.ctrip.com/blog/?p=3287http://ued.ctrip.com/blog/?p=3295译注：前两天看到一篇不错的英文文章，叫做How browsers work，该文概要的介绍了浏览器从头到尾的工作机制，包括HTML等的解析，DOM树的生成，节点与CSS... 阅读全文
摘要：
http://ued.ctrip.com/blog/?p=3121我们常用的javascript标签，有两个和性能、js文件下载执行相关的属性：defer和asyncdefer的含义【摘自https://developer.mozilla.org/En/HTML/Element/Script】This Boolean attribute is set to indicate to a browser that the script is meant to be executed after the document has been parsed.async的含义【摘自https://deve 阅读全文