Run details:
Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0
Firefox 60
Windows 7
Desktop
6 years ago
Test name Executions per second
getOwnPropertyNames 5168087.0 Ops/sec
Cached property names 36301300.0 Ops/sec
for in 21885532.0 Ops/sec
Object.keys 5095866.0 Ops/sec
Script Preparation code:
Tests:
  • getOwnPropertyNames

  • Cached property names

  • for in

  • Object.keys