Benchmark: Ramda vs Lodash vs Native findIndex

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');

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash
ramda
native

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

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/OS: Chrome 128 on Mac OS X 10.15.7

View result in a separate tab

native

28.0M/s

Lodash

10.3M/s

ramda

4.6M/s

View exact numbers

Test name	Executions per second
✓ native	27,956,110 Ops/sec
Lodash	10,271,775 Ops/sec
ramda	4,636,633 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

I'll break down the explanation into smaller sections to make it easier to understand.

**Benchmark Overview**

MeasureThat.net is a website that allows users to create and run JavaScript microbenchmarks. The provided JSON data represents a benchmark test that compares the performance of three approaches: Ramda, Lodash, and native JavaScript's `findIndex` function. The test is designed to find an element in an array based on a specific condition.

**Library Overview**

Two libraries are used in this benchmark:

1. **Ramda**: A functional programming library for JavaScript that provides a set of functions for working with arrays and objects.
2. **Lodash**: A utility library for JavaScript that provides a wide range of functions for tasks such as array manipulation, object creation, and more.

**Native JavaScript's findIndex function**

The native `findIndex` function is used in the third test case. It returns the index of the first element in an array that satisfies the provided condition.

**Options Comparison**

The three options compared in this benchmark are:

1. **Ramda's findIndex**: Uses Ramda's `R.find` function to find the index of an element in an array.
2. **Lodash's _.findIndex**: Uses Lodash's `_.findIndex` function to find the index of an element in an array.
3. **Native JavaScript's findIndex**: Uses the native `findIndex` function to find the index of an element in an array.

**Pros and Cons**

Here are some pros and cons of each approach:

1. **Ramda's findIndex**:
	* Pros: Can be more concise and readable, especially for complex conditions.
	* Cons: Requires importing Ramda library, which may add overhead.
2. **Lodash's _.findIndex**:
	* Pros: Widely used and well-tested, provides a simple and intuitive API.
	* Cons: Adds an extra layer of abstraction, which may incur performance overhead.
3. **Native JavaScript's findIndex**:
	* Pros: Built-in function, no additional dependencies required.
	* Cons: May not be as concise or readable as the other two options.

**Special Considerations**

There are no special considerations for this benchmark, as it only involves a simple array search operation.

**Alternatives**

If you're interested in exploring alternative approaches, here are some options:

1. **Array.prototype.findIndex**: Similar to native JavaScript's `findIndex`, but with the added convenience of being an instance method.
2. **D3.js's array methods**: Offers a range of array manipulation functions that can be used for finding elements.
3. **Other libraries**: Other functional programming libraries likelodash-es, or other utility libraries like underscore-js, may also provide alternative implementations.

I hope this explanation helps you understand the benchmark and its options!

Ramda vs Lodash vs Native findIndex (version: 0)

Comparing performance of: `Lodash vs ramda vs native`

Created: 5 years ago by: Guest

Go to the latest result

Lodash

ramda

native

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

Ramda vs Lodash vs Native findIndex (version: 0)

Comparing performance of: Lodash vs ramda vs native

Created: 5 years ago by: Guest

Go to the latest result

Lodash

ramda

native

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

Related benchmarks

Comparing performance of: `Lodash vs ramda vs native`