Run results for: lodash intersectionBy vs array filtering with includes

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36

Browser: Chrome 86

Operating system: Linux

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
lodash intersectionBy	372050.5 Ops/sec
array filtering with includes	2795725.0 Ops/sec

HTML Preparation code:

<script src="lodash.js"></script>

Script Preparation code:

var listOfObjects_1 = [{id: 1, name: '1'}, {id: 2, name: '2'}, {id: 5, name: '5'}]
var listOfObjects_2 = [{id: 1, name: '1'}, {id: 2, name: '2'}, {id: 5, name: '4'}]

Tests:

lodash intersectionBy
_.intersectionBy(listOfObjects_1, listOfObjects_2, 'id')
array filtering with includes
var ids_1 = listOfObjects_1.map(o => o.id) listOfObjects_2.filter(o => ids_1.includes(o.id))

Run results for: lodash intersectionBy vs array filtering with includes

Return only objects with same id

lodash intersectionBy

array filtering with includes