Run results for: Lodash uniqBy vs Native

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
lodash	103900.9 Ops/sec
native	108242.7 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Tests:

lodash
const x = [{id: 1}, {id: 1}, {id: 2}, {id: 3}]; const y = _.uniqBy(x, 'id'); console.log(y);
native
const x = [{id: 1}, {id: 1}, {id: 2}, {id: 3}]; const y = x.reduce((arr, curr) => { const found = arr.find(a => a.id === curr.id); if (!found) arr.push(curr); return arr; }, []); console.log(y)