Run results for: js array copy speed comparison... - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Linux; Android 12; SM-G998B) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 110

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
map	33875884.0 Ops/sec
array.from	2935069.0 Ops/sec
...	23932798.0 Ops/sec
slice	38549716.0 Ops/sec

Tests:

map
const arr = [1,2,3,4,5] const newArr = arr.map(e=>e)
array.from
const arr = [1,2,3,4,5] const newArr = Array.from(arr)
...
const arr = [1,2,3,4,5] let newArr = [...arr];
slice
const arr = [1,2,3,4,5] const newArr = arr.slice()