Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36
Chrome 66
Windows
Desktop
6 years ago
Test name Executions per second
undefined 12840203.0 Ops/sec
hasOwnProperty 11311839.0 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • hasOwnProperty