Run results for: Test UUID with different optimizations

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.3 Safari/605.1.15

Browser: Safari 15

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Tests:

1
function uuid() { let uuid = "", i, random; for (i = 0; i < 32; i++) { random = (Math.random() * 16) | 0; if (i == 8 || i == 12 || i == 16 || i == 20) { uuid += "-"; } uuid += (i == 12 ? 4 : i == 16 ? (random & 3) | 8 : random).toString(16); } return uuid; } uuid();
2
const ui8a = new Uint8Array(1); function next() { let uuid = "", i; for (i = 0; i < 32; i++) { uuid += (i === 8 || i === 13 || i === 18 || i === 23) ? '-' : (crypto.getRandomValues(ui8a)[0] * 16) | 0; } return uuid; }
3
const ui8a = new Uint8Array(1); function next() { let uuid = [], i; for (i = 0; i < 32; i++) { uuid.push((i === 8 || i === 13 || i === 18 || i === 23) ? '-' : (crypto.getRandomValues(ui8a)[0] * 16) | 0); } return uuid.join(''); }