Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Chrome 124
Windows
Desktop
8 months ago
Test name Executions per second
undefined 5727919.0 Ops/sec
typeof 16684820.0 Ops/sec
in 16260917.0 Ops/sec
hasOwnProperty 14741689.0 Ops/sec
bool 16378315.0 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool