Script Preparation code:
Tests:
  • for..in with hasOwnProperty()

  • for..in without hasOwnProperty()

  • Object.keys() + Array.forEach()

  • Object.keys() + Array.for()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    for..in with hasOwnProperty()
    for..in without hasOwnProperty()
    Object.keys() + Array.forEach()
    Object.keys() + Array.for()

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 5 months ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 Safari/537.36
Chrome 99 on Windows
View result in a separate tab
Test name Executions per second
for..in with hasOwnProperty() 5175.5 Ops/sec
for..in without hasOwnProperty() 7128.0 Ops/sec
Object.keys() + Array.forEach() 8911.6 Ops/sec
Object.keys() + Array.for() 9738.4 Ops/sec