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Run results for: Test speed of undefined

Test speed of !== undefined vs. only the variable name.

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.86 Safari/537.36
Chrome 89
Windows
Desktop
3 years ago
Test name Executions per second
Check for the real variable. 7585690.0 Ops/sec
Check for the opposite. 7501893.0 Ops/sec
Check for another variable. 2828689.0 Ops/sec
Check for another variable without comparisson. 7158976.0 Ops/sec
Check for another variable denying it.. 7628250.0 Ops/sec
Website performance monitoring
Script Preparation code:
Tests:

  • Check for the real variable.

  • Check for the opposite.

  • Check for another variable.

  • Check for another variable without comparisson.

  • Check for another variable denying it..