Run results for: Ramda vs Lodash vs Native findIndex

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36 Edg/128.0.0.0

Browser: Chrome 128

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Lodash	10271775.0 Ops/sec
ramda	4636633.0 Ops/sec
native	27956110.0 Ops/sec

HTML Preparation code:

<script src="//cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js"></script>

Script Preparation code:

var users = [{
        'user': 'barney',
        'active': false
    },
    {
        'user': 'fred',
        'active': false
    },
    {
        'user': 'pebbles',
        'active': true
    }
];

Tests:

Lodash
_.findIndex(users, function(o) { return o.user == 'barney'; });
ramda
R.find(R.propEq('user', 'barney'))(users);
native
users.findIndex(obj => obj.user == 'barney');

Run results for: Ramda vs Lodash vs Native findIndex

Lodash

ramda

native