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; Linux x86_64; rv:132.0) Gecko/20100101 Firefox/132.0
Firefox 132
Linux
Desktop
one month ago
Test name Executions per second
undefined 2031948160.0 Ops/sec
typeof 2026365824.0 Ops/sec
in 2036686592.0 Ops/sec
hasOwnProperty 2042433664.0 Ops/sec
bool 2027740416.0 Ops/sec
Script Preparation code:
Tests:

  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool