Run results for: shuffle array [dsng-manscaped]

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36 Edg/100.0.1185.44

Browser: Chrome 100

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
map sort map	196.6 Ops/sec
Fisher-Yates	311.7 Ops/sec

Tests:

map sort map
const arr = Array.from({length: 10000}); function shuffle(arr) { return arr .map((name) => ({ name, randomValue: Math.random() })) .sort((a, b) => a.randomValue - b.randomValue) .map(({ name }) => name); } shuffle(arr)
Fisher-Yates
const arr = Array.from({length: 10000}); function shuffle(array) { let currentIndex = array.length; let randomIndex; while (currentIndex != 0) { randomIndex = Math.floor(Math.random() * currentIndex); currentIndex--; [array[currentIndex], array[randomIndex]] = [array[randomIndex], array[currentIndex]]; } return array; } shuffle(arr)

Run results for: shuffle array [dsng-manscaped]

map sort map

Fisher-Yates