This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The CanvasRenderingContext2D.removeHitRegion() method of the Canvas 2D API removes a given hit region from the canvas.
void ctx.removeHitRegion(id);
DOMString representing the id of the region that is to be removed.removeHitRegion methodThis is just a simple code snippet which uses the removeHitRegion method.
<canvas id="canvas"></canvas>
var canvas = document.getElementById('canvas');
var ctx = canvas.getContext('2d');
// set a hit region
ctx.addHitRegion({id: 'eyes'});
// remove it from the canvas
ctx.removeHitRegion('eyes');
| Specification | Status | Comment |
|---|---|---|
| HTML Living Standard The definition of 'CanvasRenderingContext2D.removeHitRegion' in that specification. | Living Standard |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | (Yes) [1] | 30 (30) [2] | No support | No support | No support |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | No support | No support | 30 (30) [2] | No support | No support | No support |
[1] This feature is behind a feature flag. Set the flag ExperimentalCanvasFeatures to true to enable it.
[2] This feature is behind a feature preference setting. In about:config, set canvas.hitregions.enabled to true.
© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/removeHitRegion