Run results for: Ar__ray 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/87.0.4280.66 Safari/537.36 Edg/87.0.664.41

Browser: Chrome 87

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Tests:

Array.prototype.concat
var arr1 = Array(100).fill({}); const arr2 = Array(100).fill({}); arr1 = arr1.concat(arr2);
spread operator
var arr1 = Array(100).fill({}); const arr2 = Array(100).fill({}); arr1 = [ ...arr1, ...arr2 ]
Push
const arr1 = Array(100).fill({}); const arr2 = Array(100).fill({}); arr1.push(...arr2);