Script Preparation code:
Tests:
  • for...in

  • Object.keys+forEach (ES5)

  • for...of - keys (ES6)

  • for...of - values (ES6)

  • for...of - entries (ES8)

  • Object.entries (ES8)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    for...in
    Object.keys+forEach (ES5)
    for...of - keys (ES6)
    for...of - values (ES6)
    for...of - entries (ES8)
    Object.entries (ES8)

    Fastest: N/A

    Slowest: N/A

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Latest run results:
Run details: (Test run date: one month ago)
Mozilla/5.0 (Linux; Android 14; SM-S928B) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.149 Mobile Safari/537.36 OPR/81.6.4292.79147
Opera Mobile 81 on Android
View result in a separate tab
Test name Executions per second
for...in 5460.6 Ops/sec
Object.keys+forEach (ES5) 8041.0 Ops/sec
for...of - keys (ES6) 7939.3 Ops/sec
for...of - values (ES6) 7061.0 Ops/sec
for...of - entries (ES8) 5888.1 Ops/sec
Object.entries (ES8) 5880.6 Ops/sec