Run details:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Chrome 127
Android
Desktop
3 months ago
Test name Executions per second
undefined 1058332.5 Ops/sec
typeof 3074335.8 Ops/sec
in 3083047.8 Ops/sec
hasOwnProperty 2827364.8 Ops/sec
bool 3103701.8 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool