摘要：
原文：http://social.msdn.microsoft.com/Forums/ie/en-US/fc41127c-0243-4d2e-8e7c-2b311f12e390/ie9-json-not-defined?forum=iewebdevelopmentMake sure your documents a rendered in standards mode and not in quirks mode if you want to use the latest features. Read more onhttp://msdn.microsoft.com/en-us/librar. 阅读全文
