Run results for: if/else vs. small switch

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser: Chrome 130

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

switch

8.7M/s

if/else

5.9M/s

View exact numbers

Test name	Executions per second
✓ switch	8,657,728 Ops/sec
if/else	5,894,304 Ops/sec

Script Preparation code:

const a = 1;
let b;

Tests:

switch
switch(a) { case 0: b = 1; break; case 1: b = 2; break; default: b = 3; }
if/else
if (a === 0) { b = 1; } else if (a === 1) { b = 2; } else { b = 3; }