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Run results for: var1!==null vs var1!==undefined vs var1!=="x"

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Run details:
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.75 Safari/537.36
Chrome 68
Windows 7
Desktop
3 years ago
Test name Executions per second
var1!==null 7553266.5 Ops/sec
var1!==undefined 2369956.0 Ops/sec
var1!=="x" 7520349.5 Ops/sec
Script Preparation code:
Tests:

  • var1!==null

  • var1!==undefined

  • var1!=="x"

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