Run results for: Array.prototype.slice vs spread operator vs mapsss

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36

Browser: Chrome 112

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
spread operator	9537292.0 Ops/sec
map	64734236.0 Ops/sec

Tests:

spread operator
const params = [null, null, null, null] const filtered = [...params.slice(0, 2), true, ...params.slice(2 + 1)]
map
const params = [null, null, null, null] const filtered = params.map((item, index) => index === 2 ? true : null );