Run results for: R vs _ uniq

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.105 Safari/537.36 Edg/84.0.522.52

Browser: Chrome 84

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Lodash	5585.1 Ops/sec
Ramda	0.4 Ops/sec
Set	2745.3 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.4/lodash.js"></script>

Script Preparation code:

  var data = [..._.range(1000).map(function(i) {
    return {
      counter: i
    }
  }),..._.range(1000).map(function(i) {
    return {
      counter: i
    }
  })];

Tests:

Lodash
var result = _.uniq(data);
Ramda
var result = R.uniq(data);
Set
function* unique(xs) { const seen = new Set(); for (const x of xs) { if (seen.has(x)) continue; seen.add(x); yield x; } } var result = [...unique(data)];

Run results for: R vs _ uniq

Lodash

Ramda

Set