MeasureThat.net

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

Object lookup performance

Go to the benchmark
Run details:
Mozilla/5.0 (Linux; Android 8.1.0; ASUS_X00HD) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.6613.127 Mobile Safari/537.36
Chrome Mobile 128
Android 8.1.0
Mobile
2 months ago
Test name Executions per second
undefined 378463.8 Ops/sec
typeof 1112840.4 Ops/sec
in 1100610.9 Ops/sec
operator 1094131.6 Ops/sec
bool 1117797.5 Ops/sec
Script Preparation code:
Tests:

  • undefined

  • typeof

  • in

  • operator

  • bool

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