WebGLRenderingContext.getSupportedExtensions()

The WebGLRenderingContext.getSupportedExtensions() method returns a list of all the supported WebGL extensions.

An Array of strings with all the supported WebGL extensions.

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

var extensions = gl.getSupportedExtensions();
// Array [ 'ANGLE_instanced_arrays', 'EXT_blend_minmax', ... ]

See also the WebGLRenderingContext.getExtension() method to get a specific extension object.

Extensions for the WebGL API are registered in the WebGL Extension Registry. They are also listed here.

• WebGLRenderingContext.getExtension()
• webglreport.com