Benchmark: native find vs lodash _.find for object

HTML Preparation code:

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.core.js"></script>

Script Preparation code:

var users = {
  0:{ 'user': 'joey',  'age': 32 },
  1:{ 'user': 'ross',    'age': 41 },
  2:{ 'user': 'chandler', 'age': 39 }
}

Tests:

array find
// Native Object.values(users).find(function (o) { return o.age < 40; })
_.find
_.find(users, function (o) { return o.age < 40; })

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
array find
_.find

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 5 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36

Browser/OS: Chrome 76 on Mac OS X 10.14.6

View result in a separate tab

Test name	Executions per second
array find	2104809.5 Ops/sec
_.find	1586271.1 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what is being tested.

**Benchmark Overview**

The benchmark compares two approaches to find an element in an object:

1. Using JavaScript's native `Object.values()` method with the `find()` method.
2. Using Lodash's `_find()` function.

**Options Compared**

The benchmark tests two options for finding an element in an object:

* Native approach: `Object.values(users).find(function (o) { return o.age < 40; })`
	+ Uses `Object.values()` to get an array of object values, and then uses the `find()` method to search for the first value that satisfies the condition.
* Lodash approach: `_.find(users, function (o) { return o.age < 40; })`
	+ Uses Lodash's `_find()` function to find the first element in the `users` object that satisfies the given condition.

**Pros and Cons of Each Approach**

**Native Approach**

Pros:

* No external library dependencies.
* Simple and concise syntax.

Cons:

* May be slower due to the overhead of creating an array of object values.
* May not be as efficient as Lodash's optimized implementation.

**Lodash Approach**

Pros:

* Optimized implementation that is likely faster than the native approach.
* Provides additional functionality (e.g., handling null or undefined values).

Cons:

* Requires an external library dependency (Lodash).
* Additional code to import and require Lodash.

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides a set of helper functions for tasks such as array manipulation, object traversal, and functional programming. The `_find()` function is part of the "More Utils" module in Lodash, which makes it easy to find elements in arrays or objects.

**Other Considerations**

* **ES6 Spread Operator**: While not explicitly mentioned in the benchmark, the ES6 spread operator (`...`) can also be used to get an array of object values. For example: `Object.values(users).map((user) => user.age < 40)` might be a more efficient approach than the native `find()` method.
* **Browser Support**: The benchmark results are for Chrome 76 on Mac OS X 10.14.6, which means that the benchmark may not work in older browsers or with different operating systems.

**Other Alternatives**

If you want to test alternative approaches, you could consider using other libraries like:

* Ramda: A functional programming library that provides a similar `_find()` function.
* Underscore.js: Another utility library that provides an `_find()` function.
* Array.prototype.find(): Some browsers and environments may support the `Array.prototype.find()` method, which can be used to achieve a similar result.

Keep in mind that benchmarking can be complex, and results may vary depending on the specific use case and environment.

Related benchmarks:

native find vs lodash _.find for object (version: 0)

Compare the new ES6 spread operator with the traditional concat() method

Comparing performance of: array find vs _.find

Created: 5 years ago by: Guest

Jump to the latest result

array find

_.find

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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