WebGLRenderingContext: getExtension() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

Note: This feature is available in Web Workers.

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

Syntax

js
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.

js
const 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. They are also listed here.

Specifications

Specification
WebGL Specification
# 5.14.14

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
getExtension

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

See also