Run results for: push vs spread vs concat two array - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Linux; Android 7.0; BLL-L23) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.96 Mobile Safari/537.36

Browser: Chrome Mobile 72

Operating system: Android 7.0

Device Platform: Mobile

Date tested: 5 years ago

Test name	Executions per second
push	2782977.0 Ops/sec
spread	3177895.0 Ops/sec
concat	1213446.0 Ops/sec

Website performance monitoring

Tests:

push
const a1 = [1,2]; const a2 = [3,4] a1.push(...a2);
spread
const a1 = [1,2]; const a2 = [3,4]; [...a1,...a2]
concat
const a1 = [1,2]; const a2 = [3,4]; a1.concat(a2);