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17 June 2010 / 看图

How IE9 Determines Document Mode

ytzong

ytzong

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性能

background:url(#)的性能问题

很久之前写了使用 background:url(#) 解决 IE bug,原理是请求一张不存在的图片,不过写法有些问题。 写为 background:url(#) 会增加一个http请求,比如当前css的URL为 http://imgcache.qq.com/qzonestyle/project/css/xxx.css 则会多请求一次 http://imgcache.qq.com/qzonestyle/project/css/xxx.css# 和以下类似(

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    ytzong
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HTML5

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    ytzong
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How IE9 Determines Document Mode
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