Run results for: Large Array concat vs spread operator vs push

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.837 YaBrowser/23.9.4.837 Yowser/2.5 Safari/537.36

Browser: Yandex Browser 23

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Array.prototype.concat	273895.4 Ops/sec
spread operator	31192.0 Ops/sec
Push	62853.6 Ops/sec

Tests:

Array.prototype.concat
var params = new Array(10000); var other = [ 1, 2 ].concat(params);
spread operator
var params = new Array(10000); var other = [ 1, 2, ...params ]
Push
var params = new Array(10000); var other = [ 1, 2 ].push(...params);

Run results for: Large 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