Run results for: OffscreenCanvas measureText

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36 Edg/133.0.0.0

Browser: Chrome 133

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

OffscreenCanvas

1.4M/s

Canvas

1.3M/s

View exact numbers

Test name	Executions per second
✓ OffscreenCanvas	1,381,454 Ops/sec
Canvas	1,343,610 Ops/sec

Script Preparation code:

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

Tests:

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

Run results for: OffscreenCanvas measureText

DomCanvas vs OffscreenCanvas

Canvas

OffscreenCanvas