Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/602.2.14 (KHTML, like Gecko) Version/10.0.1 Safari/602.2.14
Safari 10
Mac OS X 10.12.1
Other
7 years ago
Test name Executions per second
undefined 4541765.5 Ops/sec
typeof 12272846.0 Ops/sec
in 11431343.0 Ops/sec
hasOwnProperty 9395354.0 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty


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