Run results for: lodash vs es6 (intersection)

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; GM1913) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Mobile Safari/537.36

Browser: Chrome Mobile 87

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
lodash	718045.2 Ops/sec
es6	339974.0 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/g/lodash@4(lodash.min.js+lodash.fp.min.js)"></script>

Script Preparation code:

var dataset = [...Array(20)].map((v, idx) => idx);
var candidates = [1, 2, 5];

Tests:

lodash
candidates.length === (_.intersection(dataset, candidates)).length
es6
var ds = new Set(dataset); var cs = new Set(candidates); candidates.length === ([...ds].filter(v => cs.has(v))).length;