Run results for: Date.now() without floor vs static now() function

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

Benchmark engine: Benchmark.js

Date.now()

6.9M/s

new Date().getTime();

5.4M/s

View exact numbers

Test name	Executions per second
✓ Date.now()	6,938,290 Ops/sec
new Date().getTime();	5,433,350 Ops/sec

Script Preparation code:

var timestamp = null;
var _timer = 1000000;

function now() {
  if (_timer !== undefined) {
    return _timer;
  }
  _timer = 1000000;
  return _timer;
}

Tests:

Date.now()
timestamp = Date.now() / 1000;
new Date().getTime();
timestamp = now();