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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1823.67

Browser: Chrome 114

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 10 months ago

Test name	Executions per second
Array.apply	1578336.0 Ops/sec
Array.from	707714.4 Ops/sec
map	4302881.0 Ops/sec
Loop and assign	24591280.0 Ops/sec
Loop and push	23934880.0 Ops/sec

Website performance monitoring

Tests:

Array.apply
Array.apply(null, new Array(10)).map(() => false);
Array.from
Array.from({ length: 10}, () => false);
map
new Array(10).map(() => false);
Loop and assign
const r = []; for (let i = 0; i < 10; i++) r[i] = false;
Loop and push
const r = []; for (let i = 0; i < 10; i++) r.push(false);