SVGTests

SVG tests interface

Interface SVGTests defines an interface which applies to all elements which have attributes requiredFeatures, requiredExtensions and systemLanguage.

Interface overview

Also implement	None
Methods	boolean hasExtension(in DOMString extension)
Properties	readonly SVGStringList requiredFeatures readonly SVGStringList requiredExtensions readonly SVGStringList systemLanguage
Normative document	SVG 1.1 (2nd Edition)

Properties

Name	Type	Description
requiredFeatures	SVGStringList	Corresponds to attribute requiredFeatures on the given element.
requiredExtensions	SVGStringList	Corresponds to attribute requiredExtensions on the given element.
systemLanguage	SVGStringList	Corresponds to attribute systemLanguage on the given element.

Methods

Name & Arguments	Return	Description
hasExtension(in DOMString extension)	boolean	Returns true if the browser supports the given extension, specified by a URI.

Browser compatibility

• Desktop
• Mobile

Feature	Chrome	Edge	Firefox (Gecko)	Internet Explorer	Opera	Safari (WebKit)
Basic support	(Yes) [1]	(Yes)	12 (12)	9.0	?	?

Feature	Android	Android Webview	Edge	Firefox Mobile (Gecko)	IE Mobile	Opera Mobile	Safari Mobile	Chrome for Android
Basic support	No support	(Yes) [1]	(Yes)	12.0 (12)	?	?	?	(Yes) [1]

[1] The hasExtension() method was removed in Chrome 47 because it is not part of the SVG2 spec.