MeasureThat.net

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

Object lookup performance

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:86.0) Gecko/20100101 Firefox/86.0
Firefox 86
Mac OS X 10.16
Desktop
3 years ago
Test name Executions per second
undefined 942600832.0 Ops/sec
typeof 940869504.0 Ops/sec
in 943848448.0 Ops/sec
hasOwnProperty 941116352.0 Ops/sec
bool 945094080.0 Ops/sec
Script Preparation code:
Tests:

  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool

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