Run results for: Switch vs Object Literal

Run details:

User agent: Mozilla/5.0 (Linux; Android 13; Pixel 4 XL Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/104.0.5112.97 Mobile Safari/537.36

Browser: Chrome Mobile 104

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Switch	58729.2 Ops/sec
Object Literal	51221.9 Ops/sec

Script Preparation code:

var str = 'abc';
str = str.charAt(Math.floor(Math.random() * 3));

Tests:

Switch
switch (str) { case 'a': console.log('A'); break; case 'b': console.log('B'); break; case 'c': console.log('C'); break; }
Object Literal
var objLiteral = { a: function() { console.log('A'); }, b: function() { console.log('B'); }, c: function() { console.log('C'); } } objLiteral[str]();