Run results for: Array concat vs spread operator vs push with two arrays, first one is big

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Windows

Device Platform: Desktop

Date tested: one month ago

Tests:

Array.prototype.concat
var arr1 = Array.from(Array(9999).keys()) var arr2 = Array.from(Array(20).keys()) var other = arr1.concat(arr2);
spread operator twice
var arr1 = Array.from(Array(9999).keys()) var arr2 = Array.from(Array(20).keys()) var other = [ ...arr1, ...arr2 ];
Push
var arr1 = Array.from(Array(9999).keys()) var arr2 = Array.from(Array(20).keys()) var other = arr1.push(...arr2);