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:122.0) Gecko/20100101 Firefox/122.0
Firefox 122
Mac OS X 10.15
Desktop
2 years ago
Date.now()
10.2M/s
new Date().getTime();
6.0M/s
performance.now()
3.4M/s
View exact numbers
Test name Executions per second
✓ Date.now() 10,192,759 Ops/sec
new Date().getTime(); 6,043,668 Ops/sec
performance.now() 3,443,814 Ops/sec
Script Preparation code:
Tests: