Run results for: if-else vs switch dynamic

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:151.0) Gecko/20100101 Firefox/151.0

Browser: Firefox 151

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 months ago

if-else

451K/s

Switch case

449K/s

View exact numbers

Test name	Executions per second
✓ if-else	451,338 Ops/sec
Switch case	448,998 Ops/sec

Tests:

Switch case
const a = 1; switch (true) { case !a: console.log("a is !a"); break; case typeof a === 'number': console.log("a is number"); break; }
if-else
const a = 1; if (!a) { console.log("a is !a"); } else if (typeof a === 'number') { console.log("a is number"); }