Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36
Chrome 114
Windows
Desktop
one year ago
Test name Executions per second
not obj 19431854.0 Ops/sec
obj is null or obj is undefined 4779763.5 Ops/sec
type of obj is undefined or obj is null 16258651.0 Ops/sec
Script Preparation code:
Tests:
  • not obj

  • obj is null or obj is undefined

  • type of obj is undefined or obj is null


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