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Showing content from https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/webglcontextcreationerror_event below:

HTMLCanvasElement: webglcontextcreationerror event - Web APIs

Use the event name in methods like addEventListener(), or set an event handler property.

addEventListener("webglcontextcreationerror", (event) => { })

onwebglcontextcreationerror = (event) => { }

Event type

A WebGLContextEvent. Inherits from Event.

Event WebGLContextEvent Event properties

This interface inherits properties from its parent interface, Event.

WebGLContextEvent.statusMessage: A read-only property containing additional information about the event.

Example

const canvas = document.getElementById("canvas");

canvas.addEventListener(
  "webglcontextcreationerror",
  (e) => {
    console.log(e.statusMessage || "Unknown error");
  },
  false,
);

const gl = canvas.getContext("webgl");
// logs statusMessage or "Unknown error" if unable to create WebGL context

Specifications Browser compatibility

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