Run results for: switch case vs object (string as key)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36

Browser: Chrome 143

Operating system: Windows

Device Platform: Desktop

Date tested: 6 months ago

switch case

207.6M/s

object

185.6M/s

View exact numbers

Test name	Executions per second
✓ switch case	207,604,512 Ops/sec
object	185,641,536 Ops/sec

Tests:

switch case
const roleIndex = 'abcd'; let role; switch(roleIndex) { case 'abcd': role = 'admin'; break; case 'efgh': role = 'moderator'; break; default: role = 'user'; }
object
const roleIndex = 'abcd'; const role = { abcd: 'admin', efgh: 'moderator' }[roleIndex] ?? 'user';