Run results for: switch vs if else vs do while vs object

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

object

16.3M/s

switch

16.3M/s

if else

4.4M/s

do while 0

4.4M/s

View exact numbers

Script Preparation code:

var a = 'yhahaha';

Tests:

switch
var b; switch(a) { case 'ahaha': b = 1; break; case 'ohoho': b = 2; break; case 'ihihi': b = 3; break; case 'yhahaha': b = 4; break; }
if else
var b; if (a === 'ahaha') { b = 1; } else if (a === 'ohoho') { b = 2; } else if (a === 'ihihi') { b = 3; } else if (a === 'yhahaha') { b = 4; }
do while 0
var b; do { if (a === 'ahaha') { b = 1; break; } if (a === 'ohoho') { b = 2; break; } if (a === 'ihihi') { b = 3; break; } if (a === 'yhahaha') { b = 4; } } while(0)
object
var b = { ahaha: 1, ohoho: 2, ihihi: 3, yhahaha: 4, }[a]