Run results for: Switch vs Object Literal

Run details:

User agent: Mozilla/5.0 (Linux; Android 8.0.0; ASUS_Z012DC Build/OPR1.170623.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.93 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/251.0.0.31.111;]

Browser: Chrome Mobile 79

Operating system: Android 8.0.0

Device Platform: Mobile

Date tested: 4 years ago

Test name	Executions per second
Switch	25439.7 Ops/sec
Object Literal	24183.2 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]();