MeasureThat.net

Run results for: undefined vs. typeof vs. in vs. hasOwn

Object lookup performance

Go to the benchmark
Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131
Linux
Desktop
4 months ago
Test name Executions per second
undefined 59567128.0 Ops/sec
typeof 67513528.0 Ops/sec
in 75347056.0 Ops/sec
hasOwn 40237600.0 Ops/sec
bool 74814464.0 Ops/sec
Script Preparation code:
Tests:

  • undefined

  • typeof

  • in

  • hasOwn

  • bool