Run results for: null vs. hasOwnProperty

Object lookup performance

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Chrome 128
Mac OS X 10.15.7
Desktop
one year ago
nonexist null
15.2M/s
exist null
14.9M/s
exist hasOwnProperty
13.6M/s
nonexist hasOwnProperty
13.1M/s
View exact numbers
Test name Executions per second
✓ nonexist null 15,184,978 Ops/sec
exist null 14,941,421 Ops/sec
exist hasOwnProperty 13,621,531 Ops/sec
nonexist hasOwnProperty 13,137,672 Ops/sec
Script Preparation code:
Tests: