Run results for: if/else vs. small switch

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36 Edg/136.0.0.0

Browser: Chrome 136

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

switch

8.2M/s

if/else

5.7M/s

View exact numbers

Test name	Executions per second
✓ switch	8,239,380 Ops/sec
if/else	5,708,060 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; }