后代选择器和子选择器的区别
摘要:第一段代码给出子选择器 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <t
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posted @ 2012-01-07 22:48
posted @ 2012-01-07 22:48
posted @ 2012-01-01 22:05
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