Run results for: Array concat vs spread operator vs push

Run details:

User agent: Mozilla/5.0 (Linux; Android 8.0.0; PRA-LX1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Mobile Safari/537.36 OPR/61.1.3076.56625

Browser: Opera Mobile 61

Operating system: Android 8.0.0

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
Array.prototype.concat	924580.7 Ops/sec
spread operator	3405825.0 Ops/sec
Push	2698080.0 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