Benchmark: JQuery version speed test 2.2.4 vs 3.4.1

HTML Preparation code:

<script src='https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js'></script>
<script>
  var $jq1124 = $.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/3.4.1/jquery.min.js"></script>
<script>
  var $jq341 = $.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();
  $( "<style>*{ cursor: " + 'grabbing' + " !important; }</style>" ).appendTo( '#menu' ).remove();
  console.log('tests' + $);
}

Tests:

$jq1124
tests($jq1124);
$jq224
tests($jq224);
$jq341
tests($jq341);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
$jq1124
$jq224
$jq341

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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

LLMs can make mistakes. Check important info.

Let's break down the benchmark definition and its components.

**Benchmark Definition**

The benchmark is a JavaScript microbenchmark that compares the execution speed of three different versions of jQuery: 1.12.4, 2.2.4, and 3.4.1. The test measures how fast each version can execute a specific script.

**Script Preparation Code**

The script preparation code is a function named `tests($)`, which takes an instance of jQuery (`$`) as an argument. Within this function, the following operations are performed:

1. The author of the menu item at index 2 is changed to have a red background color.
2. The parent element's border is set to 1px solid blue.
3. A new paragraph with green background color is appended to the menu item's parent element.
4. The cursor style is set to "grabbing" for all elements on the page.

**Html Preparation Code**

The HTML preparation code includes the necessary scripts and styles to initialize jQuery:

* Two versions of jQuery (1.12.4 and 2.2.4) are included, each with a `$.noConflict(true)` call to disable conflicts between different versions.
* The latest version of jQuery (3.4.1) is also included, again with the same conflict fix.

**Test Cases**

There are three test cases:

1. `$jq1124`: Tests the execution speed of jQuery 1.12.4.
2. `$jq224`: Tests the execution speed of jQuery 2.2.4.
3. `$jq341`: Tests the execution speed of jQuery 3.4.1.

**Comparison Options**

The benchmark compares the execution speeds of the three jQuery versions in a head-to-head manner, executing each version individually and measuring their performance. The comparison is based on the number of executions per second (ExecutionsPerSecond) for each test case.

**Pros and Cons of Each Approach**

* Using multiple versions of jQuery:
	+ Pros: Allows for direct comparisons between different versions.
	+ Cons: Requires more setup and maintenance, as each version has its own quirks and compatibility issues.
* Using a single version of jQuery with different configurations:
	+ Pros: Simplifies setup and maintenance, reduces the number of dependencies to manage.
	+ Cons: May not accurately represent the performance differences between versions.

**Library Purpose**

In this benchmark, jQuery is used as a library to provide DOM manipulation capabilities. The `$.noConflict()` method is used to disable conflicts between different versions of jQuery, ensuring that each version executes with its own set of global variables and function names.

**Special JS Feature or Syntax**

There are no special JavaScript features or syntax mentioned in the benchmark definition. However, it's worth noting that the use of `$.noConflict(true)` and the conflict fix may introduce some nuances to the execution speed comparisons.

**Alternatives**

If you're interested in exploring alternative approaches to this benchmark, consider the following:

* Using a different library or framework for DOM manipulation (e.g., React, Angular).
* Implementing custom DOM manipulation functions instead of relying on jQuery.
* Using a benchmarking tool that doesn't rely on browser-specific features, such as Node.js's `v8` or `jsdom`.
* Focusing on other performance-critical aspects of the application, such as CPU-bound computations or network latency.

Related benchmarks:

JQuery version speed test 2.2.4 vs 3.4.1 (version: 1)

Comparing performance of: $jq1124 vs $jq224 vs $jq341

Created: 6 years ago by: Registered User

Jump to the latest result

$jq1124

$jq224

$jq341

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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