1.4 Relationship to Standards and Other Extensions
Some of the extensions described here are standard functionality in HTML5 [HTML5:2014]. This document does not indicate for which extensions this is true. See [MS-HTML5E] for information about extensions relative to [HTML5:2014].
The following documents provide additional extensions.
[MS-CSS21E]: Extensions to the [CSS-Level2-2009] and [DOM Level 2 - Style] specifications.
[MS-DOM2CE] and [MS-DOM2CEX]: Extensions to the [DOMLevel2Core:2000] specification.
[MS-DOM2EE]: Extensions to the [DOM Level 2 - Events] specification.
[MS-ES3EX]: Extensions to the ECMAScript [ECMA-262-1999] specification.
[MS-ES5EX]: Extensions to the ECMAScript [ECMA-262/5] specification.
[MS-HTML5E]: Extensions to the [HTML5:2014] specification.