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:124.0) Gecko/20100101 Firefox/124.0
Firefox 124
Mac OS X 10.15
Desktop
2 years ago
Date.now()
19.5M/s
new Date().getTime();
16.5M/s
performance.now()
8.8M/s
View exact numbers
Test name Executions per second
✓ Date.now() 19,496,042 Ops/sec
new Date().getTime(); 16,494,670 Ops/sec
performance.now() 8,801,262 Ops/sec
Script Preparation code:
Tests: