Benchmark: jquery/1.4.3 vs 3.7.1

HTML Preparation code:

<div id="idSelector"></div>
<div class="classSelector"></div>
<ul id="iteration">
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
</ul>
<div id="cssGetter" style="color: black;"></div>
<div id="cssSetter" style="color: black;"></div>
<div id="find">
    <span></span>
    <div>
        <strong></strong>
    </div>
</div>

<script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/1.4.3/jquery.min.js">
</script>
<script>
  var $jq143 = $.noConflict(true);
</script>

<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js">
</script>
<script>
  var $jq371 = $.noConflict(true);
</script>

Script Preparation code:

function tests($) {
  // Filter Next
  $('#iteration li').filter(':first').next();
  
  // Filter Prev
  $('#iteration li').filter(':last').prev();
  
  // Non-existant Class
  $('.someClass');
  
  // Non-existant ID
  $('#someID');
  
  // Find
  $('#find').find('strong');
  
  // Set color
  $('#cssSetter').css('color', 'red');
  
  // Get color
  $('#cssGetter').css('color');
  
  // Iteration
  $('#iteration li').each(function(i, e) {
    i++;
  });
  
  // Class selector
  $('.classSelector');
  
  // ID selector
  $('#idSelector');
}

Tests:

1.4.3
tests($jq143);
3.7.1
tests($jq371);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
1.4.3
3.7.1

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0

Browser/OS: Firefox 115 on Windows 7

View result in a separate tab

3.7.1

49K/s

1.4.3

22K/s

View exact numbers

Test name	Executions per second
✓ 3.7.1	49,227 Ops/sec
1.4.3	22,470 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks.

**What is being tested?**

The provided benchmark tests the performance differences between two versions of jQuery: 1.4.3 and 3.7.1. The test script, stored in the `Script Preparation Code`, contains a series of operations that exercise various aspects of the jQuery library, such as:

* Filtering elements
* Navigating elements (next/prev)
* Using non-existent classes and IDs
* Finding elements within other elements
* Setting and getting CSS styles
* Iterating over elements

The test script is executed twice: once with jQuery 1.4.3 (`$jq143`) and once with jQuery 3.7.1 (`$jq371`).

**Options compared**

The benchmark compares the performance of two different versions of jQuery:

1. **jQuery 1.4.3**: This version is older and has been released over 10 years ago.
2. **jQuery 3.7.1**: This version is more modern and has several new features, improvements, and performance optimizations.

**Pros and cons of each approach**

* **jQuery 1.4.3**:
	+ Pros: Smaller footprint, older versions may be supported by older browsers.
	+ Cons: Less efficient, fewer features, and potential compatibility issues with newer browsers.
* **jQuery 3.7.1**:
	+ Pros: More modern, faster, more feature-rich, and better compatibility with newer browsers.
	+ Cons: Larger footprint, may not work in older browsers.

**Library usage**

Both tests use jQuery as the underlying library, but they also use a special technique called `$().noConflict()` to resolve conflicts between multiple versions of jQuery. This is necessary because modern browsers often have multiple versions of jQuery loaded due to various reasons like compatibility modes or legacy code.

**Special JavaScript feature/syntax**

This benchmark does not explicitly test any special JavaScript features or syntax, but it does use a few browser-specific features:

* **Gecko/20100101**: A hint about the Firefox rendering engine and version.
* `rv:109.0`: The Gecko engine version used by this browser instance.

**Other alternatives**

If you want to benchmark other libraries or frameworks, here are some examples of popular ones:

* Lodash
* Underscore.js
* React
* AngularJS
* Vue.js

Keep in mind that each library has its own strengths and weaknesses, and the choice of which one to use depends on your project's specific requirements.

In summary, this benchmark tests the performance difference between two versions of jQuery, showcasing how modern libraries can improve efficiency and compatibility.

jquery/1.4.3 vs 3.7.1 (version: 0)

Comparing performance of: `1.4.3 vs 3.7.1`

Created: one year ago by: Guest

Go to the latest result

1.4.3

3.7.1

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

jquery/1.4.3 vs 3.7.1 (version: 0)

Comparing performance of: 1.4.3 vs 3.7.1

Created: one year ago by: Guest

Go to the latest result

1.4.3

3.7.1

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

Related benchmarks

Comparing performance of: `1.4.3 vs 3.7.1`