Testing for false vs === undefined vs hasOwnProperty for undefined member

Is there a performance benefit to replacing === undefined with a logical test?
5 years ago
User agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
Test name Executions per second
test truthyness 16524800.0 Ops/sec
test undefined 9385663.0 Ops/sec
test hasOwnProperty 14245660.0 Ops/sec
Script Preparation code:
Tests:
  • test truthyness

  • test undefined

  • test hasOwnProperty

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