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 10.15; rv:125.0) Gecko/20100101 Firefox/125.0
Firefox 125
Mac OS X 10.15
Desktop
2 years ago
Date.now()
20.9M/s
new Date().getTime();
18.0M/s
performance.now()
9.9M/s
View exact numbers
Test name Executions per second
✓ Date.now() 20,880,624 Ops/sec
new Date().getTime(); 18,022,490 Ops/sec
performance.now() 9,949,820 Ops/sec
Script Preparation code:
Tests: