摘要:
View Code 1 <html xmlns="http://www.w3.org/1999/xhtml"> 2 <head> 3 <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 4 <title>Selectors API Example</title> 5 <style> 6 .green{background-color:green; } 7 </style 阅读全文