Date.now() vs +new Date() vs new Date().getTime();

one month ago
User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36
Test name Executions per second
Date.now() 3367171.0 Ops/sec
+new Date(); 2510947.0 Ops/sec
timestamp = new Date().getTime(); 3084539.0 Ops/sec
Script Preparation code:
Tests:
  • Date.now()

  • +new Date();

  • timestamp = new Date().getTime();

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