Run results for: Array vs TypedArray write performance

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Browser: Firefox 129

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

TypedArray write

7K/s

Array write

1K/s

View exact numbers

Test name	Executions per second
✓ TypedArray write	7,230 Ops/sec
Array write	1,176 Ops/sec

Tests:

Array write
var array = new Array(100000).fill(0); for (let i=0; i<array.length; i++) { array[i] = array[i] + 1; }
TypedArray write
var typedArray = new Uint8Array(100000).fill(0); for (let i=0; i<typedArray.length; i++) { typedArray[i] = typedArray[i] + 1; }