Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36
Chrome 108
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Get array of keys with value 1 between 0 and 499, and value 2 between 500 and 999 in Object, for-in 64207.7 Ops/sec
Get array of keys with value 1 between 0 and 499, and value 2 between 500 and 999 in Array, for-of 4009237.8 Ops/sec
Get array of keys with value 1 between 0 and 499, and value 2 between 500 and 999 in Object, for 62629.5 Ops/sec
Get array of keys with value 1 between 0 and 499, and value 2 between 500 and 999 in Array, for 57323.8 Ops/sec
Script Preparation code:
Tests:
  • Object, for-in

  • Array, for-of

  • Object, for

  • Array, for