Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36
Chrome 69
Mac OS X 10.13.6
Desktop
6 years ago
Test name Executions per second
getOwnPropertyNames 2100249.0 Ops/sec
Cached property names 1883515.2 Ops/sec
for in 5627336.0 Ops/sec
Object.keys 2104252.8 Ops/sec
Script Preparation code:
Tests:
  • getOwnPropertyNames

  • Cached property names

  • for in

  • Object.keys