Run results for: crypto vs random

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36

Browser: Chrome 140

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 10 months ago

crypto

4K/s

random-string

2K/s

View exact numbers

Test name	Executions per second
✓ crypto	3,984 Ops/sec
random-string	2,300 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

function uuidv4() {
  let pattern = /[xy]/g;
  return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(pattern, (match, param, param$1) => {
    let r = Math.random() * 16.0 | 0;
    let v = match === "x" ? r : r & 3 | 8;
    return v.toString(16);
  });
}

var dates = Array.from({length: 200}, () => new Date())

Tests:

crypto
dates.map(() => crypto.randomUUID())
random-string
dates.map(() => uuidv4())