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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:126.0) Gecko/20100101 Firefox/126.0

Browser: Firefox 126

Operating system: Windows

Device Platform: Desktop

Date tested: 19 days ago

Test name	Executions per second
Array.from	9393504.0 Ops/sec
Map	23247670.0 Ops/sec
Loop	30177040.0 Ops/sec
Loop push	21948770.0 Ops/sec

Website performance monitoring

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)