internet explorer - Is IE9 compatibility mode a valid way to test IE7-8? -
Working on a site that requires IE8 support I'm testing the site located in VMWare Fusion on IE 8 - while My colleagues are basically testing on compatibility mode in windows IE 9. We are looking at very different versions of the site, with the closest of my VMWare IE8 client is looking at its IE8.
Is IE9 a valid test for IE8 in compatibility mode? If not, then what is the purpose of this?
Compatibility view is designed to imitate the rendering engine used by IE7, compared to IE8 True to all versions of the feature, including 8, 9 and 10. This is why your colleagues are seeing different results from you and your clients.
The correct way to test for IE8 compatibility on IE9 is to use the F12 Developer Tool, which allows you to either IE5.5 (quirks), IE7 (compatibility), IE8, and later Allows to choose a rendering mode from any major versions that are in use.
The purpose of the Compatibility View is to provide compatibility with old sites which depend on inheritance code, which in turn depends on incorrect / incompatible behavior in IE 7 and older, which is IE 8 and later Is not comprehensive and comprehensive.
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