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This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The CanvasRenderingContext2D method clearHitRegions() removes all hit regions from the canvas.

Syntax

void ctx.clearHitRegions();

Examples

Using the clearHitRegions method

This example demonstrates the clearHitRegions() method.

HTML

<canvas id="canvas"></canvas>

JavaScript

const canvas = document.getElementById('canvas');
const ctx = canvas.getContext('2d');

// Set some hit regions
ctx.addHitRegion({id: 'eyes'});
ctx.addHitRegion({id: 'nose'});
ctx.addHitRegion({id: 'mouth'});

// Remove them altogether from the canvas
ctx.clearHitRegions();

Specifications

Canvas hit regions have been removed from the WHATWG Living Standard, although discussions about future standardization are ongoing. See https://github.com/whatwg/html/issues/3407 for more information.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Basic support
Experimental
Chrome Full support Yes
Disabled
Full support Yes
Disabled
Disabled This feature is behind the Experimental Web Platform Features preference. To change preferences in Chrome, visit chrome://flags.
Edge ? Firefox Full support 38
Disabled
Full support 38
Disabled
Disabled From version 38: this feature is behind the canvas.hitregions.enabled preference. To change preferences in Firefox, visit about:config.
IE No support NoOpera No support NoSafari No support NoWebView Android No support NoChrome Android No support NoEdge Mobile ? Firefox Android Full support 38
Disabled
Full support 38
Disabled
Disabled From version 38: this feature is behind the canvas.hitregions.enabled preference. To change preferences in Firefox, visit about:config.
Opera Android No support NoSafari iOS No support NoSamsung Internet Android No support No

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.
User must explicitly enable this feature.
User must explicitly enable this feature.

See also

Étiquettes et contributeurs liés au document

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