Run results for: Binary to boolean with DataView: readUint8() with for loop vs. slice() with map()

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Browser: Chrome 127

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
readUint8 with for loop	7269.0 Ops/sec
Slice with map	436898.4 Ops/sec

Tests:

readUint8 with for loop
const length = 1000; const arrayBuffer = new ArrayBuffer(length); const array = new Uint8Array(arrayBuffer); for (let i = 0; i < length; i++) { array[i] = 22; } const dataView = new DataView(arrayBuffer); const resultArray = []; for (let i = 0; i < length; i++) { const value = dataView.getUint8(i); resultArray.push(Boolean(value)); }
Slice with map
const length = 1000; const arrayBuffer = new ArrayBuffer(length); const array = new Uint8Array(arrayBuffer); for (let i = 0; i < length; i++) { array[i] = 22; } const dataView = new DataView(arrayBuffer); const transferArray = new Uint8Array(dataView); const resultArray = [...transferArray].map(value => Boolean(value));