Run results for: concat 1 vs multiple

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36

Browser: Chrome 107

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
concat multiple	1000.7 Ops/sec
concat 1	1001.0 Ops/sec

Tests:

concat multiple

const arr1 = Array.from({ length: 5000}).map((_, i) => i);
const arr2 = Array.from({ length: 5000}).map((_, i) => i);
const arr3 = Array.from({ length: 5000}).map((_, i) => i);

const finallArr1 = arr1.concat(arr2).concat(arr3);

​x
 
const arr1 = Array.from({ length: 5000}).map((_, i) => i);const arr2 = Array.from({ length: 5000}).map((_, i) => i);const arr3 = Array.from({ length: 5000}).map((_, i) => i);​const finallArr1 = arr1.concat(arr2).concat(arr3);

concat 1

const arr1 = Array.from({ length: 5000}).map((_, i) => i);
const arr2 = Array.from({ length: 5000}).map((_, i) => i);
const arr3 = Array.from({ length: 5000}).map((_, i) => i);

const finallArr1 = arr1.concat(arr2, arr3);

 
const arr1 = Array.from({ length: 5000}).map((_, i) => i);const arr2 = Array.from({ length: 5000}).map((_, i) => i);const arr3 = Array.from({ length: 5000}).map((_, i) => i);​const finallArr1 = arr1.concat(arr2, arr3);