Run results for: Direct Array vs Typed Array vs Array read performances

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:148.0) Gecko/20100101 Firefox/148.0

Browser: Firefox 148

Operating system: Windows

Device Platform: Desktop

Date tested: 4 months ago

new TypedArray

489/s

Direct Array

186/s

new Array

182/s

View exact numbers

Tests:

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