Benchmark: jQuery vs pure JS : html

HTML Preparation code:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>

Script Preparation code:

var frag = document.createDocumentFragment();
for (var i=0; i<100; i++){
  var inDiv = document.createElement('span');
  inDiv.id="s_"+i;
  inDiv.innerHTML = 'bla';
  inDiv.className = 'myclass';
  frag.appendChild(inDiv);
}
document.body.appendChild(frag);

Tests:

jQuery
$('span.myclass').each(function () { $(this).html('x'); });
pure JS
$('span.myclass').each(function () { this.innerHTML = 'y'; });

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
jQuery
pure JS

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36 Edg/138.0.0.0

Browser/OS: Chrome 138 on Windows

View result in a separate tab

Test name	Executions per second
jQuery	5552.1 Ops/sec
pure JS	11488.6 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.

**Benchmark Definition:**

The benchmark compares two approaches to update the `innerHTML` property of HTML elements:

1. **jQuery**: The first test case uses jQuery's `$` function to iterate over all `<span>` elements with a class name of "myclass" and update their `innerHTML` property to 'x'.
2. **Pure JS**: The second test case updates the `innerHTML` property directly using the `this` keyword, without any additional library.

**Options Compared:**

The benchmark compares two options:

* Using jQuery's `$` function to iterate over elements
* Updating the `innerHTML` property directly using pure JavaScript syntax

**Pros and Cons of each approach:**

* **jQuery**:
	+ Pros:
		- Easier to read and maintain, especially for complex DOM manipulations.
		- Provides a convenient way to access and manipulate the DOM.
	+ Cons:
		- Adds an extra library dependency, which may introduce overhead or security risks if not managed properly.
		- Can be slower than pure JavaScript approaches due to the overhead of the jQuery library.
* **Pure JS**:
	+ Pros:
		- Faster execution, as it avoids the overhead of the jQuery library.
		- More control over the DOM manipulation process, allowing for fine-grained optimization.
	+ Cons:
		- Can be more error-prone and less readable for complex DOM manipulations.

**Library:**

The benchmark uses jQuery 1.12.4, which is a widely used JavaScript library for DOM manipulation and event handling.

**Special JS Feature/Syntax:**

There is no special JavaScript feature or syntax being tested in this benchmark. The focus is on comparing the performance of using jQuery versus pure JavaScript to update `innerHTML` properties.

**Other Alternatives:**

If you want to explore alternative approaches, here are a few options:

* **Vanilla JavaScript**: You can use vanilla JavaScript functions like `forEach`, `map`, or `reduce` to iterate over elements and update their `innerHTML` property.
* **React or Virtual DOM libraries**: If you're building complex web applications with React or another virtual DOM library, you may want to explore how these libraries handle DOM updates and performance optimization.

Keep in mind that the benchmark is focused on comparing the performance of using jQuery versus pure JavaScript, so these alternative approaches might not be directly relevant.

Related benchmarks:

jQuery vs pure JS : html (version: 4)

innerHTML vs html

Comparing performance of: jQuery vs pure JS

Created: 9 years ago by: Registered User

Jump to the latest result

jQuery

pure JS

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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