WebGLRenderingContext.getExtension()

The WebGLRenderingContext.getExtension() method enables a WebGL extension.

Syntax

gl.getExtension(name);

Parameters

name

A String for the name of the WebGL extension to enable.

Return value

A WebGL extension object, or null if name does not match (case-insensitive) to one of the strings in WebGLRenderingContext.getSupportedExtensions.

Examples

Once a WebGL extension is enabled, you are able to use the methods, properties or constants that this extension object provides. 

var canvas = document.getElementById('canvas');
gl = canvas.getContext('webgl');

gl.getExtension('WEBGL_lose_context').loseContext();

WebGL extensions

Extensions for the WebGL API are registered in the WebGL Extension Registry. The current extensions are:

Specifications

Specification
WebGL Specification (WebGL)
# 5.14.14

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
getExtension
9
12
4
11
12
5.1
≤37
25
Yes
12
8
1.5

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/getExtension