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

Autogenerated LLM Summary (model gemma2:9b, generated 29 days ago):

LLMs can make mistakes. Check important info.

This benchmark compares the speed of retrieving an HTML element by its ID using jQuery versus plain JavaScript (vanilla JS).

**Options Compared:**

* **jQuery:** A popular JavaScript library that simplifies tasks like DOM manipulation, AJAX requests, and event handling. In this test case, it uses the `$("#testElement")[0]` syntax to select the element with the ID "testElement" from the DOM. The `. [0]` is used to access the native DOM element object returned by jQuery.
* **Vanilla JS:**  The core JavaScript language without any external libraries. It utilizes the `document.getElementById('testElement')` method to retrieve the same HTML element.

**Pros and Cons:**

* **jQuery:**
    * **Pros:** Concise syntax, often easier to read and write for DOM manipulation tasks, potentially faster due to optimizations in jQuery's implementation.
    * **Cons:** Adds an external dependency to your project, which can increase bundle size and potentially slow down load times if not optimized.
* **Vanilla JS:**
    * **Pros:** No external dependencies, smaller bundle size, more direct control over the underlying browser APIs.
    * **Cons:** Can sometimes require more verbose code compared to jQuery for similar tasks, might lack some convenient shortcuts or utilities offered by libraries like jQuery.

**Other Considerations:**

* The specific performance difference between jQuery and vanilla JS can vary depending on factors like: 
    *  The complexity of the DOM structure being manipulated.
    * Browser implementation details.
    * Other code running simultaneously within the script.

**Alternatives:**

While this benchmark focuses on jQuery versus vanilla JS, other libraries or frameworks like React, Vue, or Angular could also be used for DOM manipulation. Each has its own strengths and weaknesses in terms of performance, learning curve, and project scale.

Latest run results:

Run details: (Test run date: 8 months 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

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: 6 years ago by: Guest

Jump to the latest result

jQuery

Vanilla JS

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model gemma2:9b, generated 29 days ago):