Run details:
Mozilla/5.0 (Linux; Android 11; GT-I9505) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Mobile Safari/537.36
Chrome Mobile 106
Android
Mobile
2 years ago
Test name Executions per second
undefined 202706.3 Ops/sec
typeof 768757.1 Ops/sec
in 763171.1 Ops/sec
hasOwnProperty 677546.9 Ops/sec
bool 716468.8 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool