Run details:
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36
Chrome 67
Windows 7
Desktop
6 years ago
Test name Executions per second
getOwnPropertyNames 863086.0 Ops/sec
Cached property names 1666385.6 Ops/sec
for in 5313352.5 Ops/sec
Object.keys 1996447.9 Ops/sec
Script Preparation code:
Tests:
  • getOwnPropertyNames

  • Cached property names

  • for in

  • Object.keys