Run results for: concat vs spread 2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36

Browser: Chrome 96

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
concat	6599.3 Ops/sec
spread	5405.0 Ops/sec

Tests:

concat

const arr1 = new Array(500).fill(null).map(() => Math.random());
const arr2 = new Array(300).fill(null).map(() => Math.random());
const arr3 = arr1.concat(arr2);

AخA
 
const arr1 = new Array(500).fill(null).map(() => Math.random());const arr2 = new Array(300).fill(null).map(() => Math.random());const arr3 = arr1.concat(arr2);

spread

const arr1 = new Array(500).fill(null).map(() => Math.random());
const arr2 = new Array(300).fill(null).map(() => Math.random());
const arr3 = [...arr1, ...arr2]

 
const arr1 = new Array(500).fill(null).map(() => Math.random());const arr2 = new Array(300).fill(null).map(() => Math.random());const arr3 = [...arr1, ...arr2]