Benchmark: Array.prototype.some vs Lodash some_2

HTML Preparation code:

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

Script Preparation code:

var array = [...Array(100000).keys()];
var ram = Math.floor(100000 * Math.random());

Tests:

Array.prototype.some
array.some(n => n === ram)
Lodash some
_.some(array,n => n === ram)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Array.prototype.some
Lodash some

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:97.0) Gecko/20100101 Firefox/97.0

Browser/OS: Firefox 97 on Windows

View result in a separate tab

Test name	Executions per second
Array.prototype.some	1879.4 Ops/sec
Lodash some	2059.4 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down what is tested in the provided JSON benchmark.

**Benchmark Overview**

The benchmark compares two approaches to check if an element exists in an array: `Array.prototype.some()` from the JavaScript standard library and `_.some()` from the Lodash library.

**Options Compared**

Two options are compared:

1. **`Array.prototype.some()`**: This method checks if at least one element of the array passes the test implemented by the provided function.
2. **`.some()` from Lodash**: This method is similar to `Array.prototype.some()`, but it's part of a larger library that provides utility functions for various tasks.

**Pros and Cons**

* **`Array.prototype.some()`**:
	+ Pros: Native implementation, likely optimized by the JavaScript engine.
	+ Cons: May not be as readable or maintainable due to its concise syntax.
* **`.some()` from Lodash**:
	+ Pros: More readable and maintainable than `Array.prototype.some()`, with additional utility functions available in Lodash.
	+ Cons: Introduces an external dependency (Lodash) and may incur a performance overhead due to the additional library.

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides a wide range of functions for tasks like array manipulation, object manipulation, and more. The `_.some()` function is part of this library and provides a convenient way to check if at least one element in an array passes a test.

**Other Considerations**

The benchmark likely aims to compare the performance of these two approaches under different conditions, such as varying array sizes or random test values (e.g., `ram`).

**Alternative Implementations**

Other alternatives for checking if an element exists in an array could include:

* Using a `for` loop or `forEach()` with an index check.
* Utilizing `Array.prototype.indexOf()`, which returns the index of the first occurrence of the specified value, or `-1` if not found.
* Leveraging other libraries like Ramda or Liskov for functional programming approaches.

However, these alternatives might not be as straightforward to implement or maintain as using `Array.prototype.some()` or `.some()` from Lodash.

Related benchmarks:

Array.prototype.some vs Lodash some_2 (version: 0)

Comparing performance of: Array.prototype.some vs Lodash some

Created: 6 years ago by: Guest

Jump to the latest result

Array.prototype.some

Lodash some

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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