不同IE版本的注册表key

The value to set this key to is (taken from MSDN here) as decimal values:regi

11001 (0x2EDF) 
Internet Explorer 11. Webpages are displayed in IE11 Standards mode, regardless of the!DOCTYPE directive.

11000 (0x2AF8) 
Internet Explorer 11. Webpages containing standards-based !DOCTYPE directives are displayed in IE9 mode.

10001 (0x2AF7) 
Internet Explorer 10. Webpages are displayed in IE10 Standards mode, regardless of the!DOCTYPE directive.

10000 (0x2710) 
Internet Explorer 10. Webpages containing standards-based !DOCTYPE directives are displayed in IE9 mode.

9999 (0x270F) 
Internet Explorer 9. Webpages are displayed in IE9 Standards mode, regardless of the !DOCTYPE directive.

9000 (0x2328) 
Internet Explorer 9. Webpages containing standards-based !DOCTYPE directives are displayed in IE9 mode.

8888 (0x22B8) 
Webpages are displayed in IE8 Standards mode, regardless of the !DOCTYPE directive.

8000 (0x1F40) 
Webpages containing standards-based !DOCTYPE directives are displayed in IE8 mode.

7000 (0x1B58) 
Webpages containing standards-based !DOCTYPE directives are displayed in IE7 Standards mode.