Run results for: array methods test1231234 - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36

Browser: Chrome 85

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Array.prototype.concat	2983940.0 Ops/sec
Array.prototype.push	8085965.0 Ops/sec
Array.prototype.splice	3241472.2 Ops/sec
spread operator	0.3 Ops/sec

Script Preparation code:

var arr = [1, 2, 3];

Tests:

Array.prototype.concat
var other = arr.concat([99]);
Array.prototype.push
var other = arr.push(99);
Array.prototype.splice
var other = arr.splice(arr.length-1, 0, 99);
spread operator
var other = [ ...arr, 99 ]

;