Benchmark: jQuery 1.8.2 vs 3.4.1

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/1.8.2/jquery.min.js">
</script>
<script>
  var $jq182 = $.noConflict(true);
</script>

<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js">
</script>
<script>
  var $jq341 = $.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:

1.8.2
tests($jq182);
3.4.1
tests($jq341);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
1.8.2
3.4.1

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 27 days ago):

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net.

**What is being tested?**

The provided JSON represents a benchmarking test case that compares the performance of two versions of jQuery, version 1.8.2 and version 3.4.1.

**Options being compared:**

Two options are being compared:

1. **jQuery 1.8.2**: This is an older version of jQuery, released in 2010.
2. **jQuery 3.4.1**: This is a more recent version of jQuery, released in 2020.

The test case measures the performance difference between these two versions when executing specific JavaScript code snippets, such as:

* Filtering elements
* Setting and getting CSS styles
* Iterating over elements
* Using class and ID selectors

**Pros and cons of each approach:**

1. **jQuery 1.8.2**: This version is older and may have better compatibility with legacy browsers. However, it also means that the test case might be less relevant to modern web development.
	* Pros: Better compatibility with older browsers
	* Cons: Older codebase, potentially slower performance
2. **jQuery 3.4.1**: This version is more recent and includes many improvements in performance and functionality. However, it may not work as well in older browsers.
	* Pros: Modern codebase, improved performance
	* Cons: Potential compatibility issues with older browsers

**Library and its purpose:**

The `$.noConflict(true)` function is used to load the two different versions of jQuery using the same variable name (`$`), which helps avoid conflicts between the two libraries.

**Special JavaScript feature or syntax:**

There isn't any special JavaScript feature or syntax mentioned in this benchmark. However, it's worth noting that the test case uses ES5-style `$.noConflict(true)` to load both versions of jQuery using the same variable name (`$`).

**Other considerations:**

* The benchmark measures the performance difference between two specific versions of jQuery on a desktop environment (Yandex Browser 22).
* The results are based on a single browser and device platform, which may not be representative of all users.
* It's essential to consider these limitations when interpreting the results.

**Alternatives:**

If you're interested in exploring other benchmarking tests or alternatives, here are some options:

1. **Benchmark.org**: A popular website for comparing JavaScript performance across different versions and browsers.
2. **jsperf.com**: Another well-known platform for benchmarking JavaScript code snippets.
3. **Google's Benchmark**: A tool for measuring the performance of JavaScript code on various platforms.

These alternatives can provide more comprehensive insights into JavaScript performance and help you compare your own code with others.

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/106.0.0.0 YaBrowser/22.11.5.715 Yowser/2.5 Safari/537.36

Browser/OS: Yandex Browser 22 on Windows

View result in a separate tab

Test name	Executions per second
1.8.2	30405.4 Ops/sec
3.4.1	41660.3 Ops/sec

Related benchmarks:

jQuery 1.8.2 vs 3.4.1 (version: 0)

Comparing performance of: 1.8.2 vs 3.4.1

Created: 4 years ago by: Guest

Jump to the latest result

1.8.2

3.4.1

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 27 days ago):