WebGLRenderingContext: getError() method
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Note: This feature is available in Web Workers.
The WebGLRenderingContext.getError() method of the WebGL API returns error information.
Syntax
js
getError()
Parameters
None.
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.
|
Examples
js
gl.getError(); // gl.NO_ERROR (0)
gl.enable(gl.FOOBAR);
gl.getError(); // gl.INVALID_ENUM;
Specifications
| Specification |
|---|
| WebGL Specification # 5.14.3 |
Browser compatibility
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