1.5 Applicability Statement

This document specifies a set of extensions to the [HTML5] specification that are unique to Windows Internet Explorer 9, Windows Internet Explorer 10, Internet Explorer 11, Internet Explorer 11 for Windows 10, and Microsoft Edge.

Each browser version may implement multiple document rendering modes. The modes vary from one another in support of the standard. The following table lists the document modes supported by each browser version.

Browser Version

Document Modes Supported

Internet Explorer 9

Quirks Mode

IE7 Mode

IE8 Mode

IE9 Mode

Internet Explorer 10

Quirks Mode

IE7 Mode

IE8 Mode

IE9 Mode

IE10 Mode

Internet Explorer 11

Quirks Mode

IE7 Mode

IE8 Mode

IE9 Mode

IE10 Mode

IE11 Mode

Internet Explorer 11 for Windows 10

Quirks Mode

IE7 Mode

IE8 Mode

IE9 Mode

IE10 Mode

IE11 Mode

Microsoft Edge

EdgeHTML Mode

Many of the extensions listed in this documented are accompanied by a statement that indicates what modes and versions have the extension.  The statement has a list of document modes followed by a list of browser versions in parentheses. For any listed version the extension is in all listed modes that the version provides. Here is an example of an availability statement:

Available only in IE11 Mode and EdgeHTML Mode (All Versions).

This means that the extension is in IE11 Mode for all versions in the table above that provide that mode, and in EdgeHTML Mode for all versions that provide that mode.

If an extension does not have an availability statement, all modes of all versions shown in the table above have the extension.

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