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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.71 Safari/537.36

Browser: Chrome 94

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
flatten with `flat` array method	620547.1 Ops/sec
Flatten with destructuring	4277703.5 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]]