Run results for: switch vs if...else

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 26_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) EdgiOS/151.0.4129.96 Version/26.0 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 26

Operating system: iOS 26.6.1

Device Platform: Mobile

Date tested: 17 days ago

Benchmark engine: Benchmark.js

switch

895.0M/s

if/else if

843.9M/s

View exact numbers

Test name	Executions per second
✓ switch	895,027,968 Ops/sec
if/else if	843,942,976 Ops/sec

Script Preparation code:

var test = 'test4'

Tests:

switch
switch(test) { case 'test1': return 1; case 'test2': return 2; case 'test3': return 3; case 'test4': return 4; case 'test5': return 5; default: return 6; }
if/else if
if (test === 'test1') { return 1; } else if (test === 'test2') { return 2; } else if (test === 'test3') { return 3; } else if (test === 'test4') { return 4; } else if (test === 'test5') { return 5; } else { return 6; }

Run results for: switch vs if...else

Benchmark of the speed difference between using multiple IF statements and an open-ended IF/ELSE IF.

switch

if/else if