The WebGLRenderingContext.getShaderSource() method of the WebGL API returns the source code of a WebGLShader as a DOMString.


DOMString gl.getShaderSource(shader);


A WebGLShader object to get the source code from.

Return value

A DOMString containing the source code of the shader.


var shader = gl.createShader(gl.VERTEX_SHADER);
gl.shaderSource(shader, originalSource);

var source = gl.getShaderSource(shader);


Specification Status Comment
WebGL 1.0
The definition of 'getShaderSource' in that specification.
Recommendation Initial definition.
OpenGL ES 2.0
The definition of 'glGetShaderSource' in that specification.
Standard Man page of the (similar) OpenGL API.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support912411125.1
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support Yes25 Yes Yes128.1 Yes

See also

Document Tags and Contributors

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