Run results for: UUID Generation compare

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

generateUUID

1.7M/s

Crypto randomUUID

1.0M/s

View exact numbers

Test name	Executions per second
✓ generateUUID	1,703,710 Ops/sec
Crypto randomUUID	1,045,090 Ops/sec

Script Preparation code:

window.generateUUID = () => {
    return Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15);
};

Tests: