Benchmark: lodash filter vs array.filter

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

window.test = [
  { id: 1, source: true },
  { id: 2, source: true },
  { id: 3, source: false }
]

Tests:

lodash filter
_.filter(window.test, function (item) { return item.source === false })
array splice
window.test.filter(function (item) { return item.source === false })

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash filter
array splice

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 what's being tested in this benchmark.

**Benchmark Overview**

The test compares the performance of two approaches: using `lodash` (a popular JavaScript utility library) and the built-in `Array.prototype.filter()` method on native arrays.

**Options Compared**

The benchmark tests the following options:

1. **Lodash**: The `_.filter()` function from Lodash is used to filter an array.
2. **Native Array**: The built-in `Array.prototype.filter()` method is used to filter an array, without using any external library.

**Pros and Cons of Each Approach**

* **Lodash:**
	+ Pros:
		- Often provides a simpler and more readable way to perform common tasks, like filtering arrays.
		- May be faster due to optimizations provided by the library's author.
	+ Cons:
		- Adds an extra dependency to your project (the Lodash library).
		- May be overkill for simple use cases where native functionality is sufficient.
* **Native Array:**
	+ Pros:
		- No additional dependencies or overhead.
		- Can be faster in some cases, since it uses native code and doesn't rely on a library's optimizations.
	+ Cons:
		- Requires more verbose code to achieve the same result as Lodash.

**Library Used**

In this benchmark, `lodash` is used for its `_.filter()` function. Lodash is a utility library that provides a lot of functionality for common tasks, such as array manipulation, string manipulation, and object utilities. In this case, it's being used to simplify the filtering process by providing a concise and readable way to define the filter criteria.

**Special JS Feature or Syntax**

There isn't any special JavaScript feature or syntax being tested in this benchmark. The test focuses on comparing two different approaches for array filtering: using an external library versus native code.

**Other Alternatives**

If you don't want to use Lodash, there are other libraries and techniques that can be used for array filtering, such as:

* Other utility libraries like `underscore` or `ramda`.
* Simple recursive functions.
* Using `map()` and `some()` methods in combination.

However, keep in mind that the native Array.prototype.filter() method is often the best choice for simple use cases where readability and performance are important.

Related benchmarks:

lodash filter vs array.filter (version: 0)

Comparing performance of: lodash filter vs array splice

Created: 7 years ago by: Guest

Jump to the latest result

lodash filter

array splice

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):