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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <details open> <summary>Copyright 1999-2011.</summary> <p> - by Refsnes Data. All Rights Reserved.</p> <p>All content and graphics on this web site are the property of the company Refsnes Data.</p> </details> <p><b>注意:</b>目前只有 Chrome 和 Safari 6支持 open 属性。</p> </body> </html>
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