Meta tag X-UA-Compatible
Meta tag X-UA-Compatible controls the mode of displaying pages in browsers IE8 +
Syntax
<meta http-equiv="X-UA-Compatible" content="..." /> Values for IE8 +
| The value of the tag | Description of the mode of operation of IE8 + | Mode code name |
|---|---|---|
| IE = 5 | Displaying content in IE5 compatibility mode displays pages as IE5.5 does, regardless of whether the page contains a <! DOCTYPE> directive, | Quirks mode (compatibility mode) |
| IE = 7 | Displaying content in standard IE7 mode, displays pages in the same way IE7 does, regardless of whether the page contains the <! DOCTYPE> directive, | IE 7 Standards mode (IE7 standard mode) |
| IE = EmulateIE7 | Forces IE to use the <! DOCTYPE> directive to specify how the content is displayed. The standard mode directives are displayed in the standard IE7 mode, and compatibility mode directives are displayed in IE5.5 (Quirks) mode. | IE 7 Emulation mode (IE7 emulation mode) |
| IE = 8 | Displaying content in the standard IE8 mode, displays pages in the same way IE8 does, regardless of whether the page contains a <! DOCTYPE> directive, | IE 8 Standards mode (IE8 standard mode) |
| IE = EmulateIE8 | Forces IE to use the <! DOCTYPE> directive to specify how the content is displayed. The standard mode directives are displayed in the standard IE8 mode, and compatibility mode directives are displayed in IE5.5 (Quirks) mode. | IE 8 Emulation mode (IE8 emulation mode) |
| IE = edge | Always uses the last available standard display mode, regardless of <! DOCTYPE>. | Edge mode (last mode) |
Values added in IE9
| The value of the tag | Description of the IE9 mode | Mode code name |
|---|---|---|
| IE = 9 | Displaying content in the standard IE9 mode, displays pages as IE9 does, regardless of whether the page contains a <! DOCTYPE> directive, | IE 9 Standards mode (IE9 standard mode) |
| IE = EmulateIE9 | Forces IE to use the <! DOCTYPE> directive to specify how the content is displayed. The standard mode directives are displayed in the standard IE9 mode, and compatibility mode directives are displayed in IE5.5 (Quirks) mode. | IE 9 Emulation mode (IE9 emulation mode) |
If the directive Not specified, IE behaves as if the Compatibility Mode directive (Quirks DOCTYPE) is specified.
Example
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" /> The tag should be in the head section of the page before all other elements, except for the title and other meta-elements. Otherwise it is ignored!
Comments
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