Run results for: if-else vs switch dynamic

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36

Browser: Chrome 136

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Switch case

459K/s

if-else

457K/s

View exact numbers

Test name	Executions per second
✓ Switch case	458,680 Ops/sec
if-else	457,363 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"); }