WebGLContextEvent
Baseline
Widely available
*
This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2016.
* 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
WebGLContextEventobject.
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);
});
gl.getExtension("WEBGL_lose_context").loseContext();
// WebGLContextEvent event with type "webglcontextlost" is logged.
Specifications
| Specification |
|---|
| WebGL Specification # 5.15 |
Browser compatibility
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