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

Update compatibility data on GitHub
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
getShaderSourceChrome Full support 9Edge Full support 12Firefox Full support 4IE Full support 11Opera Full support 12Safari Full support 5.1WebView Android Full support YesChrome Android Full support 25Edge Mobile Full support YesFirefox Android Full support YesOpera Android Full support 12Safari iOS Full support 8.1Samsung Internet Android Full support Yes


Full support  
Full support

See also

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