Run results for: JS switch vs if/else if

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

switch

24.4M/s

if/else if

5.0M/s

View exact numbers

Test name	Executions per second
✓ switch	24,429,256 Ops/sec
if/else if	4,978,620 Ops/sec

Script Preparation code:

var test = 'test'

Tests:

switch
switch(test) { case 'test1': return true; case 'test2': return true; case 'test3': return true; case 'test4': return true; case 'test5': return true; default: return true; }
if/else if
if (test === 'test1') { return true; } else if (test === 'test2') { return true; } else if (test === 'test3') { return true; } else if (test === 'test4') { return true; } else if (test === 'test5') { return true; }