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Run results for: undefined vs. typeof vs. in vs. hasOwnProperty my 4

Object lookup performance

Go to the benchmark
Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.192 Safari/537.36
Chrome 88
Windows
Desktop
3 years ago
Test name Executions per second
ue 2834280.8 Ops/sec
aue 8165213.5 Ops/sec
eu 2850036.0 Ops/sec
eau 7893338.5 Ops/sec
Script Preparation code:
Tests:

  • ue

  • aue

  • eu

  • eau

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