Run results for: null vs. hasOwnProperty

Object lookup performance

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36
Chrome 119
Windows
Desktop
2 years ago
nonexist null
22.9M/s
nonexist hasOwnProperty
22.1M/s
exist hasOwnProperty
19.2M/s
exist null
18.8M/s
View exact numbers
Test name Executions per second
✓ nonexist null 22,864,988 Ops/sec
nonexist hasOwnProperty 22,099,678 Ops/sec
exist hasOwnProperty 19,157,736 Ops/sec
exist null 18,766,990 Ops/sec
Script Preparation code:
Tests: