attr()的定义和用法:
插入元素的属性值。
在CSS2.1中attr()总是返回一个字符串。
在CSS3中attr()可以返回多种不同的类型。
浏览器支持:
IE浏览器支持此属性。
谷歌浏览器支持此属性。
火狐浏览器支持此属性。
特别说明:
1.IE7和IE7以下的浏览器不支持此属性。
2.CSS3的atrr()现在暂无浏览器支持。
实例代码:
<!DOCTYPE html><html><head><meta charset=" utf-8"><meta name="author" content="http://www.softwhy.com/" /><title>蚂蚁部落</title><style type="text/css">div:after{ content:attr(title);}</style></head><body><div title="通过attr()添加的内容">div原来的内容|</div></body></html>
原文地址是:http://www.softwhy.com/forum.php?mod=viewthread&tid=1153
更多css3知识可以参阅:http://www.softwhy.com/css3/

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