Run results for: Array.from vs map - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Loop

25.8M/s

Loop push

20.5M/s

Map

18.7M/s

Array.from

977K/s

View exact numbers

Test name	Executions per second
✓ Loop	25,842,904 Ops/sec
Loop push	20,457,714 Ops/sec
Map	18,671,334 Ops/sec
Array.from	977,484 Ops/sec

Tests:

Array.from
Array.from({ length: 10 }, i => i)
Map
new Array(10).map(i => i);
Loop
const arr = new Array(10); for (let i = 0; i < 10; i++) arr[i] = i
Loop push
const arr = [] for (let i = 0; i < 10; i++) arr.push(i)