Run results for: Large Array concat vs spread operator vs push 300 elements

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:105.0) Gecko/20100101 Firefox/105.0

Browser: Firefox 105

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Tests:

Array.prototype.concat
var params = new Array(300); var other = [ 1, 2 ].concat(params);
spread operator
var params = new Array(300); var other = [ 1, 2, ...params ]
Push
var params = new Array(300); var other = [ 1, 2 ].push(...params);