Benchmark: switch vs if else vs do while vs object

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]

Rendered benchmark preparation results:

Previous results

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Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/110.0

Browser/OS: Firefox 110 on Linux

switch vs if else vs do while vs object (version: 0)