Run results for: Hashmap.has vs Array.Filter

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/28.0 Chrome/130.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 130

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Hashmap

125.7M/s

Array.filter

39K/s

View exact numbers

Test name	Executions per second
✓ Hashmap	125,688,696 Ops/sec
Array.filter	38,952 Ops/sec

Script Preparation code:

const counter = 10000
const map = new Map()
const array = new Array(counter)

window.counter = counter
window.map = map
window.array = array
for (let i = 0; i < counter; i++) {
    map.set(i)
    array[i] = i
}

Tests:

Hashmap
window.map.has(500)
Array.filter
window.array.filter((value) => value === 500)