Run results for: object map vs switch

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
object map	5344812.5 Ops/sec
switch	7382304.0 Ops/sec

Script Preparation code:

var arr = [1, 2, 3, 4, 5]

Tests:

object map
const val = arr.at(Math.floor(Math.random() * 5)) const obj = { [1]: 'a', [2]: 'b', [3]: 'c', [4]: 'd', [5]: 'e' } const rt = obj[val]
switch
const val = arr.at(Math.floor(Math.random() * 5)) switch (val) { case 1: return 'a'; case 2: return 'b'; case 3: return 'c'; case 4: return 'd'; case 5: return 'e'; default: return ''; }