Benchmark: lodash vs nativejs foreach

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.4/lodash.min.js"></script>

Script Preparation code:

obj = [];

for (var i = 0, len = 100; i < len; i++) {
  obj.push('value' + i);
}

Tests:

lodash foreach
_.forEach(obj, value => console.log(value));
nativejs foreach
obj.forEach(value => console.log(value));

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash foreach
nativejs foreach

Fastest: N/A

Slowest: N/A

Latest run results:

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

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Let's break down the provided benchmark and explain what's being tested.

**Benchmark Overview**

The benchmark compares the performance of two approaches to iterate over an array: using `nativejs.forEach` (the native JavaScript method) and using `lodash.forEach`. The test case creates an empty array, pushes 100 elements with increasing string values ("value" + index), and then uses each approach to log these values to the console.

**Options Compared**

The two options being compared are:

1. **Native JavaScript `forEach`**: This is the built-in method provided by JavaScript for iterating over arrays. It's a simple, straightforward way to execute a callback function for each element in an array.
2. **Lodash `forEach`**: Lodash is a popular JavaScript utility library that provides a wide range of functions for tasks like array manipulation and iteration. In this case, the `forEach` function from Lodash is used to iterate over the array.

**Pros and Cons**

* **Native JavaScript `forEach`**:
	+ Pros: Fast, lightweight, and widely supported.
	+ Cons: Can be less intuitive for complex iteration scenarios.
* **Lodash `forEach`**:
	+ Pros: Flexible, powerful, and often used in larger applications.
	+ Cons: Adds an extra dependency (Lodash) to the project, which can increase bundle size and complexity.

**Library Description**

The `lodash.forEach` function is a utility function provided by Lodash. It takes three arguments: the array to iterate over, the callback function to execute for each element, and an optional context object (not used in this test case). The purpose of this function is to provide a reusable way to perform iterations on arrays without having to write boilerplate code.

**Special JS Feature/Syntax**

This benchmark doesn't explicitly use any special JavaScript features or syntax. However, it does utilize the `var` keyword with block scope, which can be considered a legacy feature in newer JavaScript versions (ES6+). This might not be noticeable unless you're testing in an older browser or environment.

**Other Alternatives**

If you wanted to write this benchmark without using Lodash, you could use other JavaScript array iteration methods like `for...of`, `Array.prototype.forEach()`, or even a custom loop. However, these approaches would likely have similar performance characteristics to the native JavaScript `forEach`.

In summary, this benchmark compares two common ways to iterate over arrays in JavaScript: the native `forEach` method and Lodash's `forEach` function. The choice between these options depends on your project's specific needs, personal preference, or whether you're willing to add an extra dependency (Lodash) to your application.

Related benchmarks:

lodash vs nativejs foreach (version: 0)

test speed

Comparing performance of: lodash foreach vs nativejs foreach

Created: 4 years ago by: Guest

Jump to the latest result

lodash foreach

nativejs foreach

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):