Run results for: Direct Array vs Typed Array vs Array

Run details:

User agent: Mozilla/5.0 (Linux; Android 13; 22081212UG) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Mobile Safari/537.36 EdgA/112.0.1722.59

Browser: Chrome Mobile 112

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Benchmark engine: Benchmark.js

new TypedArray

84/s

Direct Array

47/s

new Array

39/s

View exact numbers

Test name	Executions per second
✓ new TypedArray	84 Ops/sec
Direct Array	47 Ops/sec
new Array	39 Ops/sec

Tests:

new TypedArray
let arr = new Float32Array(1000000); arr[0] = Math.random(); for (let i = 0; i < 1000000; i++) { arr[i] = arr[i - 1]; }
new Array
let arr = new Array(1000000); arr[0] = Math.random(); for (let i = 0; i < 1000000; i++) { arr[i] = arr[i - 1]; }
Direct Array
let arr = []; arr[0] = Math.random(); for (let i = 0; i < 1000000; i++) { arr[i] = arr[i - 1]; }