Benchmark: Lodash some vs JS some

HTML Preparation code:

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

Script Preparation code:

const array = ['apples', 'bananas', 'oranges', 'melons'];

Tests:

Lodash
const array = ['apples', 'bananas', 'oranges', 'melons']; const found = _.some(array, s => s === 'oranges');
JS some
const array = ['apples', 'bananas', 'oranges', 'melons']; const found = array.some(s => s === 'oranges');

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash
JS some

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what's being tested, compared, and their pros and cons.

**Benchmark Overview**

The provided benchmark compares the performance of two approaches: using Lodash (a popular JavaScript utility library) and native JavaScript `some()` function. The benchmark is designed to measure the execution speed of finding a specific element in an array.

**Options Compared**

1. **Lodash's `_.some()`**: This method checks if at least one element in an array satisfies a given condition.
2. **Native JavaScript `some()`**: This built-in method checks if any element in an array meets a specified condition.

**Pros and Cons of Each Approach**

### Lodash's `_.some()`

Pros:

* More concise and readable code
* Built-in method, so it's likely to be implemented efficiently by the browser

Cons:

* Requires including an additional library (Lodash) which may impact page load time and size.
* May incur a small overhead due to the need to import and execute Lodash code.

### Native JavaScript `some()`

Pros:

* No additional libraries are required, reducing page load time and size.
* Built-in method, so it's likely to be optimized for performance by the browser.

Cons:

* Requires using more verbose and less readable syntax (e.g., "s => s === 'oranges'").

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides a wide range of functions for common tasks, such as array manipulation, object transformation, and functional programming. The `_.some()` method is part of the Lodash library.

In this benchmark, using Lodash adds an additional layer of complexity due to the need to include the library and its code. However, it allows developers to write more concise and readable code.

**Special JS Feature/Syntax: None**

There are no special JavaScript features or syntax used in this benchmark that would require explanation.

**Other Alternatives**

If you wanted to add another option to this benchmark, some alternatives could be:

* Using `filter()` instead of `some()`: This would return a new array with all elements that meet the condition, rather than just the first one.
* Using a custom implementation using `for` loop or `forEach()`: This would allow developers to compare the performance of their own implementation.

However, these alternatives would likely be slower and less efficient than the built-in `some()` method or Lodash's `_.some()`.

Latest run results:

Run details: (Test run date: 2 days ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:132.0) Gecko/20100101 Firefox/132.0

Browser/OS: Firefox 132 on Mac OS X 10.15

View result in a separate tab

Test name	Executions per second
Lodash	35069540.0 Ops/sec
JS some	113757648.0 Ops/sec

Related benchmarks:

Lodash some vs JS some (version: 0)

Comparing performance of: Lodash vs JS some

Created: 4 years ago by: Guest

Jump to the latest result

Lodash

JS some

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):