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

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:109.0) Gecko/20100101 Firefox/115.0
Firefox 115
Mac OS X 10.14
Desktop
2 years ago
Date.now()
6.6M/s
new Date().getTime();
5.1M/s
performance.now()
3.5M/s
View exact numbers
Test name Executions per second
✓ Date.now() 6,629,380 Ops/sec
new Date().getTime(); 5,099,602 Ops/sec
performance.now() 3,510,231 Ops/sec
Script Preparation code:
Tests: