WebGLRenderingContext.getExtension()

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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 Status Comment
WebGL 1.0
The definition of 'WebGLRenderingContext.getExtension' in that specification.
Recommendation Initial definition.

Browser compatibility

See also

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