Note: This feature is available in Web Workers.
The WebGLRenderingContext.getError() method of the WebGL API returns error information.
getError()None.
| 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.enable(gl.FOOBAR);
gl.getError(); // gl.INVALID_ENUM;