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

Run details:

User agent: Mozilla/5.0 (Linux; Android 11; M2010J19SY) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.98 Mobile Safari/537.36

Browser: Chrome Mobile 97

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
Array.from	253400.7 Ops/sec
Map	1261383.0 Ops/sec
Loop	1350392.0 Ops/sec
Loop push	7267590.0 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)