Run results for: OnScrenn vs OffScreen canvas measureText performance

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 141

Operating system: Android

Device Platform: Mobile

Date tested: 6 months ago

Test name	Executions per second
Canvas	571943.8 Ops/sec
OffscreenCanvas	714704.2 Ops/sec

HTML Preparation code:

<div id="wrapper"></div>

Script Preparation code:

var canvas = document.createElement('canvas');
var context = canvas.getContext('2d');
document.getElementById('wrapper').append(canvas);

var offscreenCanvas = document.createElement('canvas');
var offscreenContext = offscreenCanvas.getContext('2d');

Tests:

Canvas
context.measureText('m');
OffscreenCanvas
offscreenContext.measureText('m');

Run results for: OnScrenn vs OffScreen canvas measureText performance

DomCanvas vs OffscreenCanvas

Canvas

OffscreenCanvas