Run results for: Spread vs. push vs. concat

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Push

40.3M/s

Spread

23.0M/s

Concat

8.3M/s

View exact numbers

Tests:

Concat
const arr = ["hello", true, 7]; const arr2 = [ 1, 2, 3 ] const newArr = arr.concat(arr2)
Spread
const arr = ["hello", true, 7]; const arr2 = [ 1, 2, 3 ] const newArr = [...arr, ...arr2]
Push
const arr = ["hello", true, 7]; const arr2 = [ 1, 2, 3 ] const newArr = arr.push(arr2)