Benchmark: JQuery version speed test jQuery 3.4.1 all w/wo migrate

HTML Preparation code:

<script src='https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js'></script>
<script>
  var $jq1110 = $.noConflict(true);
</script>
<script src='https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js'></script>
<script>
  var $jq1120 = $.noConflict(true);
</script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script>
<script>
  var $jq224 = $.noConflict(true);
</script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script>
  var $jq331 = $.noConflict(true);
</script>
<script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
<script>
  var $jq340 = $.noConflict(true);
</script>
<script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
<script src="https://code.jquery.com/jquery-migrate-3.1.0.js"></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:

Test jQuery 1.12.0
tests($jq1120);
Test jQuery 2.2.4
tests($jq224);
Test jQuery 3.3.1
tests($jq331);
Test jQuery 3.4.0
tests($jq340);
Test jQuery 1.11.0
tests($jq1110);
Test jQuery 3.4.1 migrate
tests(jQuery)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Test jQuery 1.12.0
Test jQuery 2.2.4
Test jQuery 3.3.1
Test jQuery 3.4.0
Test jQuery 1.11.0
Test jQuery 3.4.1 migrate

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 29 days ago):

LLMs can make mistakes. Check important info.

I'll break down the provided benchmark definition and test cases to explain what's being tested, compared, and other considerations.

**Benchmark Definition**

The `Script Preparation Code` section defines a function `tests($)`, which takes a jQuery object `$` as an argument. The function performs a series of operations on a predefined HTML structure:

1. It selects the second element with class `menu-item` using `$(\".menu-item\").eq(2)`.
2. It traverses up the DOM tree using `.closest("ul")`, and sets the background color to red.
3. It selects its parent element, sets its border to 1px solid blue, and appends a new paragraph with text "Text." and a green background color.
4. Finally, it removes all elements from the DOM.

The `Html Preparation Code` section includes multiple instances of jQuery libraries, each with the `.noConflict(true)` method called before loading. This is used to create separate variables for each version of jQuery (1.11.3, 1.12.4, 2.2.4, 3.3.1, and 3.4.1) on the same page.

**Individual Test Cases**

The test cases are defined in the `Benchmark Definition` section as separate functions that call a single line of code: `tests($jqX)` , where `$jqX` represents a jQuery variable for each version of the library (e.g., `$jq1120`, `$jq224`, etc.).

These test cases essentially test the performance of each version of jQuery when executing a specific function.

**Comparison**

The comparison being made is between different versions of jQuery:

1. jQuery 1.11.3
2. jQuery 1.12.4
3. jQuery 2.2.4
4. jQuery 3.3.1
5. jQuery 3.4.0 (migrated)
6. jQuery 3.4.1 (with `.noConflict(true)`)

**Pros and Cons**

The pros of using multiple versions of jQuery with `.noConflict(true)` include:

* Demonstrating performance differences between various versions.
* Testing the impact of `.noConflict(true)` on older browsers or environments.

However, some potential cons to consider:

* Increased page load time due to multiple library imports.
* Increased complexity in debugging and maintenance.

**Other Considerations**

When interpreting these results, it's essential to keep the following factors in mind:

1. Browser-specific performance differences: The tests might show varying performances across different browsers or versions of Chrome used for testing.
2. Contextual effects: Other code on the page (e.g., CSS, other JavaScript libraries) can affect the observed performance differences between jQuery versions.
3. Optimizations and caching: Modern web development often relies on optimizations like code splitting and caching to reduce loading times.

Keep in mind that this benchmarking exercise aims to provide insights into performance variations between different versions of jQuery, but it is essential to consider these contextual factors when interpreting the results.

Latest run results:

Run details: (Test run date: 13 days ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:132.0) Gecko/20100101 Firefox/132.0

Browser/OS: Firefox 132 on Windows

View result in a separate tab

Test name	Executions per second
Test jQuery 1.12.0	62349.7 Ops/sec
Test jQuery 2.2.4	81311.9 Ops/sec
Test jQuery 3.3.1	70244.6 Ops/sec
Test jQuery 3.4.0	66489.1 Ops/sec
Test jQuery 1.11.0	42274.6 Ops/sec
Test jQuery 3.4.1 migrate	68306.0 Ops/sec

Related benchmarks:

JQuery version speed test jQuery 3.4.1 all w/wo migrate (version: 0)

JQuery version speed test

Comparing performance of: Test jQuery 1.12.0 vs Test jQuery 2.2.4 vs Test jQuery 3.3.1 vs Test jQuery 3.4.0 vs Test jQuery 1.11.0 vs Test jQuery 3.4.1 migrate

Created: 5 years ago by: Guest

Jump to the latest result

Test jQuery 1.12.0

Test jQuery 2.2.4

Test jQuery 3.3.1

Test jQuery 3.4.0

Test jQuery 1.11.0

Test jQuery 3.4.1 migrate

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 29 days ago):