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Run results for:
Search in array of objects using Find, FindIndex, flatMap with includes
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Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Browser:
Chrome 124
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
Find
3800491.8 Ops/sec
FindIndex
4694141.5 Ops/sec
flatMap with includes
5766518.0 Ops/sec
Script Preparation code:
window.data = [ { id: 1, name: 'Alice' }, { id: 2, name: 'Bob' }, { id: 3, name: 'Charlie' } ]; window.id = 8;
Tests:
Find
const exists = data.find(item => item.id === id) !== undefined
FindIndex
const exists = data.findIndex(item => item.id === id) !== -1
flatMap with includes
const exists = data.flatMap(item => item.id).includes(id)