Benchmark: [sited] Lodash vs native filter

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/node-uuid/1.4.8/uuid.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.20/lodash.min.js"></script>

Script Preparation code:

// Generate random collection
var data = []
for (var i = 0; i < 5000; i++) {
    data.push({
        name: uuid.v4(),
        number: Math.random() * 1000,
    })
}

Tests:

filter-native
data.filter(function (o) {return o.name[0] === '0' && o.number > 990})
filter-lodash
_.filter(data, function (o) {return o.name[0] === '0' && o.number > 990})

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
filter-native
filter-lodash

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

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

**Benchmark Overview**

The benchmark is comparing two approaches to filter an array of objects: Lodash's `filter` function and native JavaScript's built-in filtering method.

**Test Cases**

There are two test cases:

1. **filter-native**: This test case uses the native JavaScript filtering method, where a callback function is applied to each element in the array to filter it.
2. **filter-lodash**: This test case uses Lodash's `filter` function, which takes an array and a predicate (a function that returns a boolean value) as arguments.

**Library Used**

In this benchmark, Lodash is used for its `filter` function. Lodash is a utility library that provides a collection of functions to perform common tasks, such as filtering arrays.

The `filter` function from Lodash takes an array and a predicate (a function that returns a boolean value) as arguments. In this case, the predicate is a function that checks if the first character of the object's `name` property is '0' and the `number` property is greater than 990.

**Native JavaScript Filtering**

The native JavaScript filtering method uses a callback function to filter the array. The callback function is applied to each element in the array, and if it returns true, the element is included in the filtered result.

In this case, the callback function checks if the first character of the object's `name` property is '0' and the `number` property is greater than 990.

**Pros and Cons**

Here are some pros and cons of each approach:

* **Native JavaScript Filtering**
	+ Pros:
		- Lightweight and efficient
		- Native implementation, so it's likely to be fast and optimized for performance
	+ Cons:
		- Requires a callback function, which can make the code more verbose
		- May not be as readable or maintainable as using a library like Lodash
* **Lodash's `filter` Function**
	+ Pros:
		- More readable and maintainable than using a callback function
		- Provides a more explicit way of defining the filtering condition
	+ Cons:
		- Requires an external library to be included in the project
		- May have a slightly higher overhead due to the additional library code

**Other Considerations**

When choosing between native JavaScript filtering and using a library like Lodash, consider the following factors:

* Performance: If performance is critical, native JavaScript filtering might be a better choice.
* Readability and maintainability: If readability and maintainability are more important, using a library like Lodash might be a better option.
* Project size and complexity: If your project is large or complex, using a library like Lodash might simplify the codebase and improve maintainability.

**Alternatives**

If you're looking for alternative libraries to Lodash that provide similar filtering functionality, consider the following options:

* **Underscore.js**: Another popular utility library that provides a `filter` function.
* **Ramda**: A functional programming library that provides a `filter` function and other useful utilities.
* **Preact**: A lightweight alternative to React that includes a built-in filtering function.

Ultimately, the choice between native JavaScript filtering and using a library like Lodash depends on your specific project needs and priorities.

Related benchmarks:

[sited] Lodash vs native filter (version: 1)

Comparing performance of: filter-native vs filter-lodash

Created: 5 years ago by: Registered User

Jump to the latest result

filter-native

filter-lodash

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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