Run results for: map-push vs concat vs spread

Run details:

User agent: Mozilla/5.0 (Linux; Android 12; SAMSUNG SM-G781B) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/17.0 Chrome/96.0.4664.104 Mobile Safari/537.36

Browser: Chrome Mobile 96

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
map-push	1062549.5 Ops/sec
concat	29.0 Ops/sec
spread	7.7 Ops/sec

Script Preparation code:

var result = ['1', '2', '3', '4', '5'];
var response = ['6', '7', '8'];

Tests:

map-push
response.map((num) => result.push(num));
concat
var final = result.concat(response);
spread
var final = [...result, ...response]