Run results for: Switch vs Object Function vs Object Property

Run details:

User agent: Mozilla/5.0 (Linux; Android 8.0.0; SM-G935F Build/R16NW; 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	32104.9 Ops/sec
Object Function	31415.2 Ops/sec
Object Property	30282.9 Ops/sec

Script Preparation code:

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

Tests:

Switch
function test (str) { switch (str) { case 'a': return 'A'; break; case 'b': return 'B'; break; case 'c': return 'C'; break; } } console.log(test(str));
Object Function
const obj = { a: () => 'A', b: () => 'B', c: () => 'C' }; console.log(obj[str]());
Object Property
const obj = { a: 'A', b: 'B', c: 'C' }; console.log(obj[str]);

Run results for: Switch vs Object Function vs Object Property

Compares performance of using a 'switch' statement vs object functions and object properties

Switch

Object Function

Object Property