Limited availability
The contextrestored
event of the OffscreenCanvas
interface is fired if the browser restores a OffscreenCanvasRenderingContext2D
context that was previously lost.
You can redraw, re-retrieve resources, and reinitialize the state of your context after receiving this event.
SyntaxUse the event name in methods like addEventListener()
, or set an event handler property.
addEventListener("contextrestored", (event) => { })
oncontextrestored = (event) => { }
Event type
A generic Event
.
The code fragment below detects the context restored event.
const canvas = new OffscreenCanvas(256, 256);
const gl = offscreen.getContext("2d");
canvas.addEventListener(
"contextrestored",
(e) => {
console.log(e);
// call to redrawCanvas() or similar
},
false,
);
Specifications Browser compatibility See also
RetroSearch is an open source project built by @garambo | Open a GitHub Issue
Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo
HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4