Benchmark: Javascript native forEach vs _.forEach

HTML Preparation code:

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

Script Preparation code:

numbers = [
    1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
    1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
    1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
    1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
    1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
    1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
    1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
    1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
    1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
    1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
];

Tests:

_.forEach
let acc = 0; _.forEach(numbers, function(value) { acc += value; });
Javascript Native forEach
let acc = 0; numbers.forEach(function(value) { acc += value; });

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
_.forEach
Javascript Native 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):

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript benchmarks.

**Benchmark Purpose**

The MeasureThat.net website allows users to create and run JavaScript microbenchmarks. The provided JSON represents a benchmark test case that compares two approaches: native `forEach` (JavaScript) vs `.forEach` (Lodash).

**Native `forEach` Approach**

In this approach, the test uses the built-in `forEach` method of the `Array.prototype` in JavaScript. This method iterates over an array and executes a provided callback function for each element.

**`.forEach` (Lodash) Approach**

The test also compares the `.forEach` method from the Lodash library, which is a popular utility library for functional programming in JavaScript. The Lodash `.forEach` method provides additional functionality beyond the native `forEach` method.

**Options Compared**

Two options are compared:

1. **Native `forEach` (JavaScript)**: This approach uses the built-in `forEach` method of the `Array.prototype`.
2. **`.forEach` (Lodash)**: This approach uses the `.forEach` method from the Lodash library.

**Pros and Cons of Each Approach**

Here's a brief summary:

* **Native `forEach` (JavaScript)**
	+ Pros:
		- Lightweight and optimized for performance.
		- No additional dependencies required.
	+ Cons:
		- May not provide additional functionality beyond what's needed.
		- May have limitations in certain scenarios, such as when using older browsers or environments with limited support for modern JavaScript features.
* **`.forEach` (Lodash)**
	+ Pros:
		- Provides additional functionality, such as support for async iterations and more expressive callback functions.
		- Can be useful when working with complex data structures or requiring more control over iteration logic.
	+ Cons:
		- Requires the Lodash library to be included in the project.
		- May introduce additional overhead due to the presence of a third-party dependency.

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides a comprehensive set of functional programming helpers, including array methods like `forEach`. The library aims to provide a more expressive and efficient way of working with data in JavaScript applications.

**Special JS Features/Syntax (Not applicable)**

In this benchmark, no special JavaScript features or syntax are utilized. The test cases rely solely on standard JavaScript constructs and Lodash's `.forEach` method.

**Other Alternatives**

If you're looking for alternative libraries to Lodash, some popular options include:

* **Ramda**: A functional programming library that provides a more concise and expressive way of working with data.
* **Underscore.js**: Another utility library that offers a similar set of helpers as Lodash, but with a different API.
* **Mocha**: A testing framework that can be used to create benchmarks like this one.

These alternatives may offer different trade-offs in terms of performance, syntax complexity, and feature set. However, for many use cases, the choice between these libraries will depend on personal preference, project requirements, and existing tooling infrastructure.

Related benchmarks:

Javascript native forEach vs _.forEach (version: 0)

Comparing performance of: _.forEach vs Javascript Native forEach

Created: 2 years ago by: Guest

Jump to the latest result

_.forEach

Javascript Native 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):