Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:74.0) Gecko/20100101 Firefox/74.0
Firefox 74
Mac OS X 10.15
Desktop
4 years ago
Test name Executions per second
typeof str 311086208.0 Ops/sec
typeof var 177521456.0 Ops/sec
real undefined 148843376.0 Ops/sec
Script Preparation code:
Tests:
  • typeof str

  • typeof var

  • real undefined