The WebGLRenderingContext.getAttribLocation() method of the WebGL API returns the location of an attribute variable in a given WebGLProgram.


GLint gl.getAttribLocation(program, name);


A WebGLProgram containing the attribute variable.
A DOMString specifying the name of the attribute variable whose location to get.

Return value

A GLint number indicating the location of the variable name if found. Returns -1 otherwise.


gl.getAttribLocation(program, "vColor");


Specification Status Comment
WebGL 1.0
The definition of 'getAttribLocation' in that specification.
Recommendation Initial definition.
OpenGL ES 2.0
The definition of 'glGetAttribLocation' in that specification.
Standard Main page of the OpenGL API.

Browser compatibility

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari
Basic support 9 12 4.0 (2.0) 11 12 5.1
Feature Android Chrome for Android Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile
Basic support ? 25 4.0 (2.0) 1.0 ? 12 8.0

See also

Document Tags and Contributors

 Contributors to this page: davidtme, fscholz
 Last updated by: davidtme,