Run results for: Push vs concat vs spread - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.72 Safari/537.36

Browser: Chrome 90

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Spread operator	1109.2 Ops/sec
Push	115943.3 Ops/sec
Concat	512.9 Ops/sec

Tests:

Spread operator
let arr = []; for (i = 0; i < 1000; i++) { arr = [...arr, i]; }
Push
let arr = []; for(i = 0; i < 1000; i++){ arr.push[i]; }
Concat
let arr = []; for (i = 0; i < 1000; i++) { arr = arr.concat(i) }