Benchmark: some vs Lodash Some

HTML Preparation code:

<script src="lodash.js"></script>

Script Preparation code:

var array = [...Array(100000).keys()];

Tests:

Lodash some
var found = _.some(array, s => s === 99999);
Js some
var found = array.some(s => s === 99999);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash some
Js some

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 11 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser/OS: Chrome 137 on Windows

View result in a separate tab

Test name	Executions per second
Lodash some	4009.0 Ops/sec
Js some	2230.2 Ops/sec

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

LLMs can make mistakes. Check important info.

I'll break down the provided JSON and explain what's being tested.

**Benchmark Definition**

The benchmark is comparing two approaches to implement the `some` method in JavaScript. The script preparation code defines an array of 100,000 elements using the spread operator (`Array(100000).keys()`). This creates a large dataset for testing performance.

The HTML preparation code includes a reference to the Lodash library, which is used in one of the benchmark cases (more on this later).

**Individual Test Cases**

There are two test cases:

1. **Lodash some**: This test case uses the `_.some()` method from the Lodash library. The function passed as the second argument takes an element `s` from the array and checks if it's equal to 99999.
2. **Js some**: This test case implements the `some` method directly in JavaScript, without using a library. It also uses the same comparison logic as the Lodash version.

**Pros and Cons of Each Approach**

1. **Lodash some**:
	* Pros:
		+ Faster execution (as measured by the benchmark)
		+ More concise code
	* Cons:
		+ Requires an external dependency (the Lodash library)
2. **Js some**:
	* Pros:
		+ No dependencies required
		+ Can be optimized further for performance (e.g., using a more efficient algorithm)
	* Cons:
		+ More verbose code
		+ May require additional setup or configuration

**Library - Lodash**

Lodash is a popular JavaScript utility library that provides a wide range of functions and helpers, including the `_.some()` method. The library offers various benefits, such as:

* Convenience: Many developers use Lodash for its concise and expressive API.
* Reusability: Lodash can be used in multiple projects, reducing code duplication.
* Performance: Optimized implementations of common functions, like `some()`, can provide a performance boost.

However, using an external library also means that the benchmark results may be influenced by the library's dependencies and overhead.

**Special JS Feature/Syntax**

There is no special JavaScript feature or syntax being used in this benchmark. The code only uses standard ECMAScript 2015+ features, such as arrow functions and template literals (in the script preparation code).

**Other Alternatives**

If you're interested in exploring alternative approaches to implementing `some()` or other methods, consider the following:

* **Vanilla JavaScript**: Implementing methods like `some()`, `every()`, or `find()` from scratch using only standard ECMAScript features.
* **Benchmarks libraries**: Libraries like Benchmark.js or JSPerf can help you write and compare benchmarks more efficiently.

These alternatives may offer different trade-offs between performance, conciseness, and ease of use, depending on your specific needs and goals.

Related benchmarks:

some vs Lodash Some (version: 0)

Comparing performance of: Lodash some vs Js some

Created: 3 years ago by: Guest

Jump to the latest result

Lodash some

Js some

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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