Obsolete
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.
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.