Check if object key exists

Benchmark created on

Description

This benchmark tries to find the fastest way of checking if a key exists in object using:

  • Object.keys includes
  • prop in object
  • object.hasOwnProperty

Setup

const obj = { foo: 'foo' }

Test runner

Ready to run.

Testing in
TestOps/sec
Object.keys includes
Object.keys(obj).includes('foo')
Object.keys(obj).includes('bar')
ready
prop in object
'foo' in obj
'bar' in obj
ready
object.hasOwnProperty
obj.hasOwnProperty('foo')
obj.hasOwnProperty('bar')
ready

Revisions

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