WebGLContextEvent
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.
* Some parts of this feature may have varying levels of support.
Note: This feature is available in Web Workers.
The WebGLContextEvent interface is part of the WebGL API and is an interface for an event that is generated in response to a status change to the WebGL rendering context.
Constructor
WebGLContextEvent()
-
Creates a new
WebGLContextEvent
object.
Instance properties
This interface inherits properties from its parent interface, Event
.
WebGLContextEvent.statusMessage
-
A read-only property containing additional information about the event.
Instance methods
This interface doesn't define any own methods, but inherits methods from its parent interface, Event
.
Examples
With the help of the WEBGL_lose_context
extension, you can simulate the webglcontextlost
and webglcontextrestored
events:
const canvas = document.getElementById("canvas");
const gl = canvas.getContext("webgl");
canvas.addEventListener(
"webglcontextlost",
(e) => {
console.log(e);
},
false,
);
gl.getExtension("WEBGL_lose_context").loseContext();
// WebGLContextEvent event with type "webglcontextlost" is logged.
Specifications
Specification |
---|
WebGL Specification # 5.15 |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
WebGLContextEvent | ||||||||||||
WebGLContextEvent() constructor | ||||||||||||
statusMessage | ||||||||||||
Available in workers |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- No support
- No support
- Experimental. Expect behavior to change in the future.