MeasureThat.net

Run results for: undefined vs null vs bool vs isInteger check

type check performance

Go to the benchmark
Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36
Chrome 100
Windows
Desktop
2 years ago
Test name Executions per second
undefined 4673992.0 Ops/sec
typeof 13598925.0 Ops/sec
bool 13500783.0 Ops/sec
IsInteger 4583654.0 Ops/sec
Script Preparation code:
Tests:

  • undefined

  • typeof

  • bool

  • IsInteger

;