Run results for: find by id and replace in array [lodash vs js vs ramda]

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.675 YaBrowser/23.11.1.675 (beta) Yowser/2.5 Safari/537.36

Browser: Yandex Browser 23

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

es6 map

34.8M/s

ramda map

9.2M/s

lodash findIndex and splice

6.5M/s

ramda findIndex and splice

2.8M/s

lodash map

1.3M/s

View exact numbers

Test name	Executions per second
✓ es6 map	34,836,280 Ops/sec
ramda map	9,159,159 Ops/sec
lodash findIndex and splice	6,478,202 Ops/sec
ramda findIndex and splice	2,825,902 Ops/sec
lodash map	1,262,996 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-fp/0.10.4/lodash-fp.min.js"></script>

Script Preparation code:

var arr = [{id: 1, name: "Person 1"}, {id: 2, name: "Person 2"}];

Tests:

lodash map
var newArr = _.map(arr, function(a) { return a.id === 1 ? {id: 1, name: "Person New Name"} : a; });
es6 map
// ES6 var newArr = arr.map(function(a) { return a.id === 1 ? {id: 1, name: "Person New Name"} : a; });
lodash findIndex and splice
var index = _.findIndex(arr, {id: 1}); // Replace item at index using native splice arr.splice(index, 1, {id: 100, name: 'Person New Name'});
ramda findIndex and splice
const index = R.findIndex(R.propEq('id', 1))(arr) arr.splice(index, 1, {id: 100, name: 'Person New Name'});
ramda map
var newArr = R.map(function(a) { return a.id === 1 ? {id: 1, name: "Person New Name"} : a; })(arr);