Run results for: Switch vs Object (Simplified)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Browser: Chrome 126

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Switch

31.4M/s

Object

31.1M/s

View exact numbers

Test name	Executions per second
✓ Switch	31,371,980 Ops/sec
Object	31,113,250 Ops/sec

Script Preparation code:

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

Tests:

Switch
switch (str) { case 'a': return 'a'; case 'b': return 'b'; case 'c': return 'c'; }
Object
var objLiteral = { a: 'a', b: 'b', c: 'c' } objLiteral[str];