Run results for: Array concat vs spread operator vs push with two arrays

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:79.0) Gecko/20100101 Firefox/79.0

Browser: Firefox 79

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 4 years ago

Tests:

Array.prototype.concat
var arr1 = [ "the", "quick", "brown", "fox", "jumps" ]; var arr2 = [ "over", "the", "lazy", "dog" ]; var other = arr1.concat(arr2);
spread operator twice
var arr1 = [ "the", "quick", "brown", "fox", "jumps" ]; var arr2 = [ "over", "the", "lazy", "dog" ]; var other = [ ...arr1, ...arr2 ];
Push
var arr1 = [ "the", "quick", "brown", "fox", "jumps" ]; var arr2 = [ "over", "the", "lazy", "dog" ]; var other = arr1.push(...arr2);