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Run results for:
Array fill method vs for loop vs push
Array fill method vs for loop performance validation
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<iframe src="https://measurethat.net/Embed?id=495090" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Browser:
Chrome 120
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Array Fill
109/s
For Loop fill
88/s
Push
18/s
View exact numbers
Test name
Executions per second
✓
Array Fill
109 Ops/sec
For Loop fill
88 Ops/sec
Push
18 Ops/sec
Tests:
For Loop fill
let arrayTest = new Array(10000000); for (let i = 0; i < arrayTest.length; i++){ arrayTest[i] = 0; }
Array Fill
let arrayTest = new Array(10000000).fill(0);
Push
let arrayTest = []; for (let i = 0; i < 10000000; i++) { arrayTest.push(0); }