Run results for: small set vs array lookup 2

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:146.0) Gecko/20100101 Firefox/146.0

Browser: Firefox 146

Operating system: Linux

Device Platform: Desktop

Date tested: 6 months ago

set

376.3M/s

array

32.2M/s

View exact numbers

Test name	Executions per second
✓ set	376,280,032 Ops/sec
array	32,217,154 Ops/sec

Script Preparation code:

const a = [1, 2];
const b = new Set(a);
const items = [1, 2, 3];

Tests:

array
const pick = items[Math.floor(Math.random() * items.length)]; a.includes(pick);
set
const pick = items[Math.floor(Math.random() * items.length)]; b.has(pick);