Benchmark: jQuery 3.5 versus 1.12.4

HTML Preparation code:

<script src='https://code.jquery.com/jquery-1.12.4.min.js'></script>
<script>
  var $jq1124 = $.noConflict(true);
</script>
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
<script>
  var $jq331 = $.noConflict(true);
</script>
<script src="https://code.jquery.com/jquery-3.4.0.min.js"></script>
<script>
  var $jq34 = $.noConflict(true);
</script>
<script src="https://code.jquery.com/jquery-3.5.0.min.js"></script>
<script>
  var $jq35 = $.noConflict(true);
</script>
<div>
  <ul id="menu">
    <li class="menu-item">1</li>
    <li class="menu-item">2</li>
    <li class="menu-item">3</li>
    <li class="menu-item">4</li>  
  </ul>
</div>

Script Preparation code:

function tests($) {
    $(".menu-item").eq(2).closest("ul").css({
      "background-color": "red"
    }).parent().css({
      "border": "1px solid blue"
    }).append($("<p></p>").text("Text.").css({
      "background-color": "green"
    })).end().end().remove();
  console.log('tests' + $);
}

Tests:

1.12.4
tests($jq1124);
3.3.1
tests($jq331);
3.4
tests($jq34);
3.5
tests($jq35);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
1.12.4
3.3.1
3.4
3.5

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 9 months ago)

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:140.0) Gecko/20100101 Firefox/140.0

Browser/OS: Firefox 140 on Linux

View result in a separate tab

3.3.1

45K/s

3.5

38K/s

3.4

34K/s

1.12.4

32K/s

View exact numbers

Test name	Executions per second
✓ 3.3.1	45,116 Ops/sec
3.5	37,888 Ops/sec
3.4	33,571 Ops/sec
1.12.4	31,697 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 benchmarking setup and explain what's being tested, compared, and considered.

**Benchmark Definition**

The benchmark definition is represented by the JSON object that defines a JavaScript function `tests($)`. This function takes a jQuery object `$` as an argument and performs some DOM manipulations on it. The specific operations include:

1. Selecting the 2nd element with class "menu-item" using `.eq(2)`.
2. Moving up the DOM tree until the nearest ancestor that has a `ul` element.
3. Setting the background color of this ancestor to red.
4. Moving down the DOM tree again until the parent element.
5. Setting its border style to blue.
6. Appending a new paragraph element with some text and setting its background color to green.
7. Removing all elements from the document.

**Comparison Options**

The benchmark compares four different versions of jQuery:

1. `3.5.0` (latest at the time of writing)
2. `3.4.0`
3. `3.3.1`

Each version has its own instance of `$` defined using the `.noConflict()` method, which helps to avoid conflicts with other libraries.

**Pros and Cons**

Here are some pros and cons for each jQuery version:

* **3.5.0**: Latest version at the time of writing, likely to have the most modern features and performance optimizations.
	+ Pros: Modern features, high performance.
	+ Cons: May introduce new bugs or compatibility issues.
* **3.4.0**: Still a relatively recent version, with many of the same features as 3.5.0.
	+ Pros: Stable, compatible with many older browsers.
	+ Cons: Less modern features compared to 3.5.0.
* **3.3.1**: Older version, but still widely used and supported by many browsers.
	+ Pros: Well-established, familiar API, good performance for its age.
	+ Cons: May not have the latest features or performance optimizations.

**Library Used**

The benchmark uses jQuery as a library to perform DOM manipulations. The specific versions of jQuery are loaded using script tags, with each version having its own instance of `$` defined using `.noConflict()`.

**Special JS Feature/Syntax**

There is no special JavaScript feature or syntax used in this benchmark that's not widely supported by modern browsers.

**Other Alternatives**

If you're looking for alternative benchmarks or comparisons, you might consider:

* Using a different library like React or Vue.js instead of jQuery.
* Comparing the performance of different JavaScript engines, such as V8 (Chrome) vs. SpiderMonkey (Firefox).
* Benchmarking the performance of specific DOM manipulation techniques, such as using `querySelector` vs. `getElementsByClassName`.
* Creating a benchmark that tests the performance of different rendering engines or graphics libraries.

Keep in mind that these alternatives would require significant changes to the benchmark setup and may not be directly comparable to this jQuery-based benchmark.

jQuery 3.5 versus 1.12.4 (version: 0)

Comparing performance of: `1.12.4 vs 3.3.1 vs 3.4 vs 3.5`

Created: 6 years ago by: Registered User

Go to the latest result

1.12.4

3.3.1

3.4

3.5

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

jQuery 3.5 versus 1.12.4 (version: 0)

Comparing performance of: 1.12.4 vs 3.3.1 vs 3.4 vs 3.5

Created: 6 years ago by: Registered User

Go to the latest result

1.12.4

3.3.1

3.4

3.5

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: `1.12.4 vs 3.3.1 vs 3.4 vs 3.5`