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This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

The CanvasRenderingContext2D.removeHitRegion() method of the Canvas 2D API removes a given hit region from the canvas.


void ctx.removeHitRegion(id);


A DOMString representing the id of the region that is to be removed.


Using the removeHitRegion method

This 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


Specification Status Comment
WHATWG HTML Living Standard
The definition of 'CanvasRenderingContext2D.removeHitRegion' in that specification.
Living Standard  

Browser compatibility

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.

See also

Document Tags and Contributors

 Contributors to this page: nmve, fscholz
 Last updated by: nmve,