The WebGLRenderingContext.getError()
method of the WebGL API returns error information.
WebGLRenderingContext.getError()
Syntax
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
gl.getError(); // gl.NO_ERROR (0) gl.enable(gl.FOOBAR); gl.getError(); // gl.INVALID_ENUM;
Specifications
Specification |
---|
WebGL Specification # 5.14.3 |
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
getError |
9
|
12
|
4
|
11
|
12
|
5.1
|
4.4.3
|
25
|
4
|
12
|
8
|
1.5
|
See also
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/getError