Run results for: find+splice vs map

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 Safari/537.36 HBPC/12.1.3.306

Browser: Chrome 99

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
find+splice	1182.3 Ops/sec
map	198.4 Ops/sec

Script Preparation code:

var array = Array.from({ length: 100000 }).map((val, i) => i);

Tests:

find+splice
const findIndex = array.findIndex(item => item === 5000); array.splice(findIndex, 1, 99999999999)
map
array.map(item => item === 5000 ? 99999999999 : item)