Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:94.0) Gecko/20100101 Firefox/94.0
Firefox 94
Mac OS X 10.15
Desktop
3 years ago
Test name Executions per second
Object.keys().length 1750269.4 Ops/sec
for in i++ 78038288.0 Ops/sec
Object.entries().length 2188809.0 Ops/sec
Object.values().length 2147522.0 Ops/sec
Script Preparation code:
Tests:
  • Object.keys().length

  • for in i++

  • Object.entries().length

  • Object.values().length