Benchmark: vanilla vs jquery speed

HTML Preparation code:

<div class="test"></div>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>

Tests:

vanilla add class
document.querySelector(".test").classList.add("next-class");
jquery add class
$(document).find(".test").addClass("next-class");
vanilla find element
document.querySelector(".test");
jquery find element
$(document).find(".test");

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
vanilla add class
jquery add class
vanilla find element
jquery find element

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser/OS: Chrome 131 on Windows

View result in a separate tab

vanilla find element

16.9M/s

vanilla add class

3.6M/s

jquery find element

1.5M/s

jquery add class

691K/s

View exact numbers

Test name	Executions per second
✓ vanilla find element	16,918,820 Ops/sec
vanilla add class	3,567,349 Ops/sec
jquery find element	1,531,000 Ops/sec
jquery add class	690,807 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what's being tested, compared, and what are its pros and cons.

**Benchmark Overview**

The benchmark measures the performance difference between using vanilla JavaScript (without any libraries) versus jQuery for simple DOM manipulation tasks.

**Script Preparation Code**

The Script Preparation Code is empty, which means that no special setup or initialization code is required before running the tests. This is a good practice as it allows the test results to focus on the actual differences in performance between the two approaches.

**Html Preparation Code**

The Html Preparation Code includes a reference to jQuery's library file (`https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js`) using a CDN (Content Delivery Network). This code prepares the environment for running the tests by including the necessary dependencies.

**Test Cases**

There are four test cases:

1. **vanilla add class**: Tests whether vanilla JavaScript can add a class to an element.
2. **jquery add class**: Tests whether jQuery can add a class to an element.
3. **vanilla find element**: Tests whether vanilla JavaScript can find an element by its selector.
4. **jquery find element**: Tests whether jQuery can find an element by its selector.

**Comparison of Approaches**

The two approaches being compared are:

* Vanilla JavaScript: uses native JavaScript methods and APIs to manipulate the DOM.
* jQuery: is a library that provides a simplified API for DOM manipulation, often used for cross-browser compatibility and ease of use.

**Pros and Cons**

**Vanilla JavaScript:**

Pros:

* Lightweight and efficient
* Native performance
* No additional dependencies or overhead

Cons:

* Requires knowledge of native JavaScript APIs
* May have browser-specific quirks or differences in behavior

**jQuery:**

Pros:

* Simplified API for DOM manipulation
* Cross-browser compatibility
* Easy to learn and use, especially for developers new to JavaScript

Cons:

* Additional dependencies (library) increase overhead
* May introduce performance overhead due to the extra processing required by the library

**Library Used in Test Cases**

In this benchmark, jQuery is used as a library. The purpose of including jQuery is to provide a simplified API for DOM manipulation and make it easier to compare with vanilla JavaScript.

**Special JS Feature or Syntax**

There are no special JS features or syntax mentioned in the benchmark setup code. However, it's worth noting that using `$(document)` as a context object (as seen in some test cases) is an older jQuery convention, but still widely supported.

**Other Alternatives**

If you're looking for alternatives to vanilla JavaScript and jQuery, consider the following:

* **Modern JavaScript**: Utilize modern JavaScript features like Promises, async/await, and Web APIs (e.g., `fetch()`, `XMLHttpRequest`) for efficient DOM manipulation.
* **React or Vue.js**: These popular front-end frameworks provide built-in DOM manipulation utilities and can simplify development. However, they may introduce additional overhead compared to vanilla JavaScript.
* **Preact**: A lightweight alternative to React, which shares some similarities with vanilla JavaScript.
* **Vanilla-Lite**: A minimalistic JavaScript library that provides a simplified API for DOM manipulation, similar to jQuery.

Keep in mind that the choice of approach depends on your project's specific requirements and your team's expertise.

vanilla vs jquery speed (version: 0) Benchmark.js

asdf

Comparing performance of: `vanilla add class vs jquery add class vs vanilla find element vs jquery find element`

Created: 8 years ago by: Guest

Go to the latest result

vanilla add class

jquery add class

vanilla find element

jquery find element

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

vanilla vs jquery speed (version: 0) Benchmark.js

asdf

Comparing performance of: vanilla add class vs jquery add class vs vanilla find element vs jquery find element

Created: 8 years ago by: Guest

Go to the latest result

vanilla add class

jquery add class

vanilla find element

jquery find element

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

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Comparing performance of: `vanilla add class vs jquery add class vs vanilla find element vs jquery find element`