Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:139.0) Gecko/20100101 Firefox/139.0
Firefox 139
Windows
Desktop
10 months ago
Test name Executions per second
Array.find, 10 000 elements 20586.9 Ops/sec
Map.get, 10 000 elements 152330736.0 Ops/sec
Array.find, 1 000 000 elements 168.6 Ops/sec
Map.get, 1 000 000 elements 149856144.0 Ops/sec
Array to Map + Map.get, 1 lookup 1052.6 Ops/sec
Array to Map + Map.get, 10 lookups 1103.2 Ops/sec
Array to Map + Map.get, 100 lookups 1095.3 Ops/sec
Array.find, 10 lookups 2123.0 Ops/sec
Array.find, 100 lookups 205.3 Ops/sec
Script Preparation code:
Tests:
  • Array.find, 10 000 elements

  • Map.get, 10 000 elements

  • Array.find, 1 000 000 elements

  • Map.get, 1 000 000 elements

  • Array to Map + Map.get, 1 lookup

  • Array to Map + Map.get, 10 lookups

  • Array to Map + Map.get, 100 lookups

  • Array.find, 10 lookups

  • Array.find, 100 lookups