Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/112.0
Firefox 112
Windows
Desktop
one year ago
Test name Executions per second
Array to Map and find 110867.3 Ops/sec
Array.find 7229953.5 Ops/sec
Script Preparation code:
AخA
 
data = [...Array(100)].map((_, id) => ({ id, data: Math.random() }))
Tests:
  • Array to Map and find

     
    const res = new Map(data.map(v => [v.id, v])).get(50)
  • Array.find

     
    const res = data.find(({ id }) => id === 50)