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

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Run details:
Mozilla/5.0 (Windows NT 6.1; rv:89.0) Gecko/20100101 Firefox/89.0
Firefox 89
Windows 7
Desktop
2 years ago
Test name Executions per second
Date.now() 191587.7 Ops/sec
new Date().getTime(); 148116.5 Ops/sec
performance.now() 138543.0 Ops/sec
Website performance monitoring
Script Preparation code:
Tests:

  • Date.now()

  • new Date().getTime();

  • performance.now()