Run results for: Map vs lodash.uniq

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36

Browser: Chrome 104

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
lodash.uniq	3422161.0 Ops/sec
Map	1779491.0 Ops/sec

HTML Preparation code:

script src='https://cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js'></script>

Tests:

lodash.uniq
const arr = [{id: 1}, {id: 2}, {id: 3}, {id: 1}, {id: 2}, {id: 3}, {id: 1}, {id: 2}, {id: 3}]; return _.uniqBy(arr, el => el.id);
Map
const arr = [{id: 1}, {id: 2}, {id: 3}, {id: 1}, {id: 2}, {id: 3}, {id: 1}, {id: 2}, {id: 3}]; return (new Map(arr.map(el => [el.id, el]))).values