The WebGLRenderingContext.getError() method of the WebGL API returns error information.


GLenum gl.getError();



Return value

Constant Description
gl.NO_ERROR No error has been recorded. The value of this constant is 0.
gl.INVALID_ENUM An unacceptable value has been specified for an enumerated argument. The command is ignored and the error flag is set.
gl.INVALID_VALUE A numeric argument is out of range. The command is ignored and the error flag is set.
gl.INVALID_OPERATION The specified command is not allowed for the current state. The command is ignored and the error flag is set.
gl.INVALID_FRAMEBUFFER_OPERATION The currently bound framebuffer is not framebuffer complete when trying to render to or to read from it.
gl.OUT_OF_MEMORY Not enough memory is left to execute the command.
gl.CONTEXT_LOST_WEBGL If the WebGL context is lost, this error is returned on the first call to getError. Afterwards and until the context has been restored, it returns gl.NO_ERROR.


gl.getError(); // gl.NO_ERROR (0)

gl.getError(); // gl.INVALID_ENUM;


Specification Status Comment
WebGL 1.0
The definition of 'getError' in that specification.
Recommendation Initial definition.
OpenGL ES 2.0
The definition of 'glGetError' in that specification.
Standard Man page of the OpenGL API.

Browser compatibility

Update compatibility data on GitHub
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
getErrorChrome 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 25Firefox Android Full support YesOpera Android Full support 12Safari iOS Full support 8Samsung Internet Android Full support 1.5


Full support  
Full support

See also