Run results for: JavaScript .sort() vs .toSorted ()vs [...].sort()

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:148.0) Gecko/20100101 Firefox/148.0

Browser: Firefox 148

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 4 months ago

Test name	Executions per second
Array.sort()	622334.8 Ops/sec
Array.toSorted()	559286.9 Ops/sec
[...Array].sort()	532101.1 Ops/sec

Script Preparation code:

array = Array.from({
    length: 50
}, (x, i) => (Math.round(Math.random() * (i + .01) * 1000)))

sortNumeric = (a, b) => (Number(a) - Number(b));

Tests:

Array.sort()
array.sort(sortNumeric);
Array.toSorted()
array.toSorted(sortNumeric)
[...Array].sort()
[...array].sort(sortNumeric);

Run results for: JavaScript .sort() vs .toSorted ()vs [...].sort()

Compare Javascript sort performance

Array.sort()

Array.toSorted()

[...Array].sort()