Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.116 Safari/537.36
Chrome 53
Mac OS X 10.10.5
Other
8 years ago
Test name Executions per second
getOwnPropertyNames 1498489.2 Ops/sec
Cached property names 2493911.5 Ops/sec
for in 4382625.5 Ops/sec
Object.keys 2204428.8 Ops/sec
Script Preparation code:
Tests:
  • getOwnPropertyNames

  • Cached property names

  • for in

  • Object.keys