Run results for: Array concat vs spread operator vs push

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; SAMSUNG SM-N960F) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/13.2 Chrome/83.0.4103.106 Mobile Safari/537.36

Browser: Chrome Mobile 83

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
Array.prototype.concat	2444860.0 Ops/sec
spread operator	12119480.0 Ops/sec
Push	8140607.0 Ops/sec

Tests:

Array.prototype.concat
var params = [ "hello", true, 7 ]; var other = [ 1, 2 ].concat(params);
spread operator
var params = [ "hello", true, 7 ] var other = [ 1, 2, ...params ]
Push
var params = [ "hello", true, 7 ]; var other = [ 1, 2 ].push(...params);

Run results for: Array concat vs spread operator vs push

Compare the new ES6 spread operator with the traditional concat() method and push

Array.prototype.concat

spread operator

Push