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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

FeatureChromeFirefoxEdgeInternet ExplorerOperaSafari
Basic Support94.01211125.1
FeatureAndroidChrome for AndroidEdge mobileFirefox for AndroidIE mobileOpera AndroidiOS Safari
Basic Support(Yes)25(Yes)(Yes)11128.1

See also

Document Tags and Contributors

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