Benchmark: Array.prototype.forEach vs _.each vs jquery each

HTML Preparation code:

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.core.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>

Tests:

Array.prototype.forEach
var params = [ "hello", true, 7 ]; var index = 0; params.forEach(param => index++);
lodash each
var params = [ "hello", true, 7 ]; var index = 0; _.each(params, param => index++);
Jquery each
var params = [ "hello", true, 7 ]; var index = 0; $.each(params, param => index++);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Array.prototype.forEach
lodash each
Jquery each

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 27 days ago):

LLMs can make mistakes. Check important info.

**Overview**

The provided benchmark definition and test cases are designed to compare the performance of three different ways to iterate over an array in JavaScript: `Array.prototype.forEach`, Lodash's `_.each`, and jQuery's `$`. Each test case uses a small array with three elements and increments a variable for each iteration.

**What is being tested**

The benchmark is testing the execution speed of these three methods:

1. `Array.prototype.forEach`: A built-in JavaScript method that iterates over an array, executing a provided callback function for each element.
2. Lodash's `_.each`: A utility function from the Lodash library that provides a functional way to iterate over arrays and objects.
3. jQuery's `$`.each`: A method from the jQuery library that allows iterating over arrays using a callback function.

**Options compared**

The options being compared are:

* `Array.prototype.forEach`
* Lodash's `_.each`
* jQuery's `$`.each

**Pros and Cons of each approach:**

1. **`Array.prototype.forEach`**:
	* Pros:
		+ Built-in JavaScript method, no additional library required.
		+ Simple to use and understand.
		+ Provides a clear way to iterate over arrays with a callback function.
	* Cons:
		+ May be slower than optimized libraries due to the overhead of the built-in method.
2. **Lodash's `_.each`**:
	* Pros:
		+ Part of a widely used and well-maintained library (Lodash).
		+ Provides additional features, such as support for arrays with multiple lengths.
		+ Can be optimized for performance.
	* Cons:
		+ Requires including an additional library.
3. **jQuery's `$`.each`**:
	* Pros:
		+ Part of a widely used and well-maintained library (jQuery).
		+ Provides additional features, such as support for arrays with multiple lengths.
		+ Can be optimized for performance.
	* Cons:
		+ Requires including an additional library.

**Library usage**

In the benchmark code, Lodash's `_.each` is used to iterate over the array. The `$.each` method from jQuery is also used, but it requires including the jQuery library in the HTML header.

**Special JS feature or syntax**

There are no special JavaScript features or syntaxes being tested in this benchmark. The focus is on comparing the performance of three different iteration methods.

**Other alternatives**

If not using `Array.prototype.forEach`, other alternatives for iterating over arrays could include:

* Using `for` loops
* Utilizing `forEach`-like methods from other libraries (e.g., Ramda)
* Implementing custom iteration logic

However, these alternatives are not included in the benchmark.

Latest run results:

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

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Browser/OS: Chrome 128 on Linux

View result in a separate tab

Test name	Executions per second
Array.prototype.forEach	86361056.0 Ops/sec
lodash each	3488025.5 Ops/sec
Jquery each	2829904.2 Ops/sec

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Comparing performance of: Array.prototype.forEach vs lodash each vs Jquery each

Created: 4 years ago by: Guest

Jump to the latest result

Array.prototype.forEach

lodash each

Jquery each

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 27 days ago):