MeasureThat.net

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

Object lookup performance

Go to the benchmark
Run details:
Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:88.0) Gecko/20100101 Firefox/88.0
Firefox 88
Fedora
Desktop
3 years ago
Test name Executions per second
undefined 939001664.0 Ops/sec
typeof 1010778304.0 Ops/sec
in 1008503424.0 Ops/sec
hasOwnProperty 943900736.0 Ops/sec
bool 1001220800.0 Ops/sec
Script Preparation code:
Tests:

  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool