Run details:
Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko
IE 11
Windows
Desktop
4 years ago
Test name Executions per second
getOwnPropertyNames 1738456.0 Ops/sec
Cached property names 5150277.0 Ops/sec
for in 6184360.5 Ops/sec
Object.keys 2528648.8 Ops/sec
Script Preparation code:
Tests:
  • getOwnPropertyNames

  • Cached property names

  • for in

  • Object.keys