Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.71 Safari/537.36
Chrome 94
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
typeof t === "undefined" 85999.6 Ops/sec
t === undefined 87688.1 Ops/sec
Script Preparation code:
Tests:
  • typeof t === "undefined"

  • t === undefined