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Run results for:
Array fill vs Array from vs for-loop
Array fill vs Array from vs for-loop performance validation
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<iframe src="https://measurethat.net/Embed?id=585761" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36
Browser:
Chrome 132
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
For Loop
29.6 Ops/sec
Array Fill
27.7 Ops/sec
Array From
1.6 Ops/sec
Tests:
For Loop
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);
Array From
let arrayTest = Array.from({length: 10000000}, () => 0);