Benchmark: jQuery 3.3.1 by id vs Document.getElementById

HTML Preparation code:

<script type="text/javascript" src="https://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.3.1.min.js"></script>
<div id="testElement"></div>

Tests:

jQuery
var el = $("#testElement")[0]; var className = el.className;
Vanilla JS
var el = document.getElementById('testElement'); var className = el.className;

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:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser/OS: Chrome 123 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
jQuery	4598960.5 Ops/sec
Vanilla JS	10373669.0 Ops/sec

Autogenerated LLM Summary (model llama3.1:latest, generated one year ago):

LLMs can make mistakes. Check important info.

Let's dive into the details of this benchmark.

**What is being tested?**

The benchmark is comparing the speed of two approaches to get an HTML element by its ID and then access its `className` property:

1. Using jQuery (`$(\"#testElement\")[0]`)
2. Using vanilla JavaScript (`document.getElementById('testElement')`)

**Options compared:**

We have two options being compared:

* **jQuery**: This is a popular JavaScript library used for DOM manipulation, event handling, and Ajax interactions. In this test case, jQuery is used to select the element with the ID "testElement" using its `$()` method, and then access the `className` property of the selected element.
* **Vanilla JS (document.getElementById)**: This approach uses the native JavaScript function `document.getElementById()` to retrieve an element by its ID. In this test case, the function returns a reference to the HTML element with the ID "testElement", which is then used to access the `className` property.

**Pros and cons of each approach:**

* **jQuery**: Pros:
	+ Easier to use for complex DOM manipulations
	+ Can be used for event handling and Ajax interactions
	+ Large community and extensive documentation
* Cons:
	+ Adds overhead due to the library itself
	+ May have compatibility issues with older browsers
* **Vanilla JS (document.getElementById)**: Pros:
	+ Native JavaScript function, so no additional library is required
	+ Efficient for simple DOM manipulations
	+ No additional overhead or compatibility issues
* Cons:
	+ Requires more code and effort for complex operations

**Other considerations:**

* The benchmark uses a specific version of jQuery (3.3.1) to ensure consistent results.
* The HTML preparation code includes a script tag that loads the jQuery library, which is necessary for the jQuery test case.
* The test cases are executed multiple times to gather reliable performance metrics.

**What is the purpose of the library?**

The library used in this benchmark is jQuery, which is a popular JavaScript library for DOM manipulation and other tasks. Its purpose is to provide an efficient and easy-to-use interface for interacting with HTML documents.

**Special JS feature or syntax:**

There are no special JS features or syntax used in this benchmark beyond the use of jQuery's `$()` method and the `document.getElementById` function, which are both standard JavaScript methods.

**Other alternatives:**

Some other alternatives to jQuery for DOM manipulation include:

* **Vanilla JavaScript**: Using native JavaScript functions like `document.getElementById`, `document.querySelectorAll`, and others.
* **DOMPurify**: A library that helps prevent XSS attacks by sanitizing HTML input.
* **Sizzle**: A small, fast, and feature-rich CSS selector engine that can be used with jQuery or as a standalone library.

These alternatives offer different trade-offs in terms of ease of use, performance, and features. The choice ultimately depends on the specific needs of your project.

Related benchmarks:

jQuery 3.3.1 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: 8 years ago by: Guest

Jump to the latest result

jQuery

Vanilla JS

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.1:latest, generated one year ago):