Run results for: undefined vs typeof vs !!

undefined vs typeof vs !!

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6.1 Safari/605.1.15
Safari 16
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
strict 1888734.0 Ops/sec
typeof 3969759.8 Ops/sec
!! 3451020.8 Ops/sec
void 0; 3940975.8 Ops/sec
Script Preparation code:
Tests:

  • strict

  • typeof

  • !!

  • void 0;