Run results for: Flatten array .flat() vs destructuring

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:132.0) Gecko/20100101 Firefox/132.0

Browser: Firefox 132

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

flatten with `flat` array method

5.0M/s

Flatten with destructuring

4.1M/s

View exact numbers

Test name	Executions per second
✓ flatten with `flat` array method	4,980,415 Ops/sec
Flatten with destructuring	4,108,490 Ops/sec

HTML Preparation code:

<script>
const array = [[1,2,3,4,5,6],[7,8,9,10,11,12],[13,14,15,16,17,18]]  
</script>

Tests:

flatten with `flat` array method
array.flat()
Flatten with destructuring
const newArray = [...array[0], ...array[1], ...array[2]]