Run results for: Date.now() vs new Date().getTime() vs performance.now()

Run details:

User agent: Mozilla/5.0 (Linux; Android 11; M2004J19C Build/RP1A.200720.011) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.6834.79 Mobile Safari/537.36

Browser: Chrome Mobile 132

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Date.now()

462K/s

new Date().getTime();

420K/s

performance.now()

207K/s

View exact numbers

Test name	Executions per second
✓ Date.now()	462,449 Ops/sec
new Date().getTime();	419,623 Ops/sec
performance.now()	207,389 Ops/sec

Script Preparation code:

var timestamp = null;

Tests:

Date.now()
timestamp = Date.now();
new Date().getTime();
timestamp = new Date().getTime();
performance.now()
timestamp = performance.now()