HTMLCanvasElement: webglcontextcreationerror event
The webglcontextcreationerror event of the WebGL API is fired if the user agent is unable to create a WebGLRenderingContext context.
This event has a WebGLContextEvent.statusMessage property, which can contain a platform dependent string with more information about the failure.
| Bubbles | Yes |
|---|---|
| Cancelable | Yes |
| Interface | WebGLContextEvent |
| Event handler property | none |
Example
var canvas = document.getElementById('canvas');
canvas.addEventListener('webglcontextcreationerror', function(e) {
console.log(e.statusMessage || 'Unknown error');
}, false);
var gl = canvas.getContext('webgl');
// logs statusMessage or "Unknown error" if unable to create WebGL context
Specifications
| Specification |
|---|
| WebGL Specification # 5.15.4 |
Browser compatibility
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