Benchmark: without vs filter

HTML Preparation code:

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

Script Preparation code:

var arr = ['loh1', 'loh2', 'loh3', 'loh4', 'loh5', 'loh6', 'loh7', 'loh8', 'loh9'];

Tests:

without lodash
_.without(arr, 'loh5');
native filter
arr.filter(i => i !== 'loh5');

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
without lodash
native filter

Fastest: N/A

Slowest: N/A

Latest run results:

No previous 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 provided benchmark definition and explain what is being tested.

**Benchmark Definition**

The benchmark defines two test cases:

1. `_.without(arr, 'loh5');` - This test case uses the Lodash library to create an array without the specified element (`'loh5'`) using the `_without` function.
2. `arr.filter(i => i !== 'loh5');` - This test case creates an array filter that excludes elements with the value `'loh5'`.

**Options Compared**

The benchmark is comparing two approaches:

1. **Using Lodash library**: The first test case uses the Lodash library to perform the filtering.
2. **Native JavaScript implementation**: The second test case performs the filtering using native JavaScript.

**Pros and Cons of Each Approach**

**Lodash Library:**

Pros:

* More concise code (e.g., `_without(arr, 'loh5')`)
* Often optimized for performance by Lodash
* Easier to read and maintain

Cons:

* Requires including an external library in the test HTML file
* May introduce additional dependencies or overhead

**Native JavaScript Implementation:**

Pros:

* No dependency on an external library
* Optimized for specific use cases (e.g., filtering)
* Can be more efficient in terms of memory usage

Cons:

* More verbose code (e.g., `arr.filter(i => i !== 'loh5')`)
* May require more complex logic to handle edge cases

**Library - Lodash**

Lodash is a popular JavaScript library that provides a comprehensive set of functions for various tasks, including array manipulation, string manipulation, and more. The `_without` function in this benchmark is used to create an array without the specified element.

In general, using libraries like Lodash can be beneficial when:

* You need to perform complex operations on data
* You want to write concise code with a focus on readability
* You're working with large datasets or performance-critical applications

However, including external libraries may introduce additional dependencies and overhead, which can impact performance.

**Special JS Feature/Syntax**

The benchmark does not use any special JavaScript features or syntax that requires explanation. The focus is on the comparison of two approaches: using a library (Lodash) versus native JavaScript implementation.

Related benchmarks:

without vs filter (version: 0)

Comparing performance of: without lodash vs native filter

Created: 4 years ago by: Guest

Jump to the latest result

without lodash

native filter

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):