Run results for: canvas clearRect vs fillRect

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 Edg/124.0.0.0

Browser: Chrome 124

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
clearRect	1206976.5 Ops/sec
fillRect	1557029.4 Ops/sec

Script Preparation code:

var width = 2560;
var height = 1300;
var canvas = document.createElement("canvas");
canvas.width = width;
canvas.height = height;
var ctx = canvas.getContext("2d");
document.body.appendChild(canvas);

ctx.fill = 'black';

Tests:

clearRect
ctx.clearRect(0, 0, width, height);
fillRect
ctx.fillRect(0, 0, width, height);

Run results for: canvas clearRect vs fillRect

Testing performance between clearRect and fillRect on a canvas.

clearRect

fillRect