Gecko 1.8 (Firefox 1.5, SeaMonkey 1.0) supports URL values for the CSS cursor property on Windows and Linux. Mac support was added in Gecko 2 (Firefox 4). This allows specifying arbitrary images as mouse cursors — any image format supported by Gecko can be used.
A CSSMatrix represents a homogeneous 4x4 matrix to which 2D or 3D transforms can be applied. This class was allegedly part of CSS Transitions Module Level 3 at some point, but is not present in the current Working Draft. Use DOMMatrix instead.
This section provides a brief conceptual introduction to the DOM: what it is, how it provides structure for HTML and XML documents, how you can access it, and how this API presents the reference information and examples.
Represents a DTD notation (read-only). May declare format of an unparsed entity or formally declare the document's processing instruction targets. Inherits methods and properties from Node. Its nodeName is the notation name. Has no parent.