Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:81.0) Gecko/20100101 Firefox/81.0
Firefox 81
Mac OS X 10.15
Desktop
4 years ago
Test name Executions per second
getOwnPropertyNames 7725028.0 Ops/sec
Cached property names 32137120.0 Ops/sec
for in 34885204.0 Ops/sec
Object.keys 8137865.0 Ops/sec
Script Preparation code:
Tests:
  • getOwnPropertyNames

  • Cached property names

  • for in

  • Object.keys