Benchmark: jQuery by id vs Document.getElementById (jQuery 3.x)

HTML Preparation code:

<script type="text/javascript" src="https://code.jquery.com/jquery-3.1.1.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 llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

Let's break down the provided JSON data and explain what's being tested.

**Benchmark Overview**

MeasureThat.net is comparing the speed of two approaches to retrieve an HTML element by its ID: using jQuery (a JavaScript library) versus Vanilla JavaScript (native JavaScript).

**Library Used**

The benchmark uses jQuery 3.x, which is a popular JavaScript library for DOM manipulation and event handling. Its primary purpose is to simplify the process of interacting with web pages, making it easier to find and manipulate elements on a webpage.

**Special JS Feature/Syntax**

There doesn't appear to be any special JavaScript features or syntax being tested in this benchmark. The focus is solely on comparing the performance of two different approaches to retrieving an element by its ID using standard JavaScript.

**Options Compared**

The benchmark compares two options:

1. **jQuery**: Uses jQuery's `$(selector)` method to select elements, which returns a jQuery object containing all matching elements.
2. **Vanilla JS**: Uses the `document.getElementById(selector)` method to retrieve an individual element directly from the DOM.

**Pros and Cons of Each Approach**

**jQuery:**

Pros:

* More convenient and concise syntax for selecting elements
* Can handle more complex selection scenarios with attributes, classes, IDs, and more

Cons:

* Adds extra overhead due to the jQuery library's functionality and optimizations
* May not be as efficient for simple element retrieval tasks

**Vanilla JS:**

Pros:

* No additional library dependencies or overhead
* Directly interacts with the DOM, which can result in better performance for simple queries

Cons:

* Requires more verbose syntax for selecting elements
* May require manual handling of edge cases and complex selection scenarios

**Other Considerations**

In general, using a lightweight JavaScript library like jQuery can provide convenience and ease of use but may come at the cost of performance. On the other hand, Vanilla JavaScript offers more control and flexibility but requires more boilerplate code.

When deciding between these approaches, consider the specific requirements of your project:

* If you need to perform complex DOM manipulation or selection scenarios frequently, jQuery might be a better choice due to its convenience and ease of use.
* For simple element retrieval tasks, Vanilla JavaScript's direct interaction with the DOM can result in better performance.

**Alternatives**

Other alternatives for element retrieval include:

1. **DOMParser**: A feature that allows parsing HTML strings into Document objects.
2. **CSS selectors**: Using CSS selectors to select elements directly without relying on libraries like jQuery.
3. **QuerySelectorAll**: A method introduced in modern browsers (starting from Chrome 42) for selecting multiple elements using CSS selectors.

These alternatives offer different trade-offs between performance, complexity, and convenience compared to the jQuery-Vanilla JavaScript approach tested by MeasureThat.net.

Latest run results:

Run details: (Test run date: 8 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.19 Safari/537.36 OPR/42.0.2392.0 (Edition developer)

Browser/OS: Opera 42 on Windows

View result in a separate tab

Test name	Executions per second
jQuery	1493474.1 Ops/sec
Vanilla JS	3864249.0 Ops/sec

Related benchmarks:

jQuery by id vs Document.getElementById (jQuery 3.x) (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>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):