contextlost and contextrestored
Limited availability
The contextlost event for <canvas> fires when the canvas backing storage is lost, while the contextrestored event fires when it is recreated.
Specifications
- HTML (#context-lost-steps), from HTML Workstream (WHATWG).
Browser support
- Chrome 99 Released on 2022-03-01
- Chrome Android 99 Released on 2022-03-01
- Edge 99 Released on 2022-03-03
- Firefox 125 Released on 2024-04-16
- Firefox for Android 125 Released on 2024-04-16
- Safari ❌
- Safari on iOS ❌
Baseline availability blocked since April 2024 by Safari (15 months)
Usage (according to Chrome Platform Status)
~0.056% of page loads. More data at chromestatus.
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