Benchmark: jQuery by id vs Document.getElementById

HTML Preparation code:

<script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.1.0.min.js"></script>
<div id="testElement"></div>

Tests:

jQuery
$("#testElement").addClass('test');
Vanilla JS
document.getElementById('testElement').classList.add('test');

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
jQuery
Vanilla JS

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 break down the benchmark and explain what's being tested, compared, and their pros and cons.

**Benchmark Description**

The benchmark compares the speed of getting an element by ID using two approaches:

1. jQuery ( `$("#testElement").addClass('test');` )
2. Vanilla JavaScript ( `document.getElementById('testElement').classList.add('test');` )

**Options Compared**

The two options are compared in terms of execution time, which is measured in executions per second.

* **jQuery**: A popular JavaScript library that provides a convenient way to manipulate the DOM.
* **Vanilla JavaScript**: The standard JavaScript API for interacting with the Document Object Model (DOM).

**Pros and Cons of Each Approach**

1. **jQuery**:
	* Pros:
		+ Provides a simple and convenient way to select elements by ID.
		+ Offers a range of useful methods for manipulating the DOM, such as `.addClass()`, `.removeClass()`, etc.
	* Cons:
		+ Adds overhead due to its abstraction layer and dependency on the jQuery library.
		+ May not be suitable for small-scale or performance-critical applications.
2. **Vanilla JavaScript**:
	* Pros:
		+ Lightweight and provides direct access to the DOM, making it suitable for high-performance applications.
		+ No additional dependencies or overhead.
	* Cons:
		+ Requires more code and manual manipulation of the DOM.
		+ May be less convenient for certain tasks.

**Library: jQuery**

jQuery is a popular JavaScript library that simplifies DOM manipulation. It provides an abstraction layer over the standard JavaScript API, making it easier to select elements, manipulate their styles, and execute animations. jQuery's primary purpose is to simplify JavaScript development and make it more accessible to developers of all skill levels.

In this benchmark, jQuery is used to select the element by ID using the `$()` function, which returns a jQuery object. The `addClass()` method is then called on this object to add a class named "test" to the selected element.

**Special JS Feature or Syntax**

There is no special JavaScript feature or syntax being tested in this benchmark. Both approaches use standard JavaScript features and do not rely on any specific syntax or features like async/await, Promises, or Web APIs (e.g., `fetch()`, `WebStorage`).

Related benchmarks:

jQuery by id vs Document.getElementById (version: 0)

Comparing speed of getting element by id with jQuery vs Vanilla JS

Comparing performance of: jQuery vs Vanilla JS

Created: 9 years ago by: Guest

Jump to the latest result

jQuery

Vanilla JS

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):