Run results for: loadash vs set eg1

Run details:

User agent: Mozilla/5.0 (Linux; Android 12) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Mobile Safari/537.36

Browser: Chrome Mobile 100

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
intersection	444.7 Ops/sec
set	329.1 Ops/sec

HTML Preparation code:

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

Script Preparation code:

var first = [];
var second = [];
for(var i=0; i<10000; i++) {
  first.push({batchId: Math.floor(Math.random() * 100)    , userId: Math.floor(Math.random() * 100)})
  second.push({batchId: Math.floor(Math.random() * 100)    , userId: Math.floor(Math.random() * 100)})
}

Tests:

intersection
_.intersection(first, second)
set
const firstSet = new Set(first); const secondSet = new Set(second); new Set([...firstSet].filter(item => secondSet.has(item)));

Run results for: loadash vs set eg1

intersection

set