Benchmark: jquery - MeasureThat.net

HTML Preparation code:

<script src='https://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js'></script>
<script>
  var $jq1102 = $.noConflict(true);
</script>
<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/3.3.1/jquery.min.js"></script>
<script>
  var $jq331 = $.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:

$jq1102
tests($jq1102);
$jq1124
tests($jq1124);
$jq224
tests($jq224);
$jq331
tests($jq331);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
$jq1102
$jq1124
$jq224
$jq331

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

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!

**Benchmark Overview**

MeasureThat.net is a website that allows users to create and run JavaScript microbenchmarks. A benchmark is a test designed to measure the performance or execution time of a piece of code. In this case, we have a benchmark that tests the performance of four different versions of jQuery, a popular JavaScript library.

**Benchmark Definition**

The benchmark definition is represented by the JSON object above. It consists of two parts:

1. **Script Preparation Code**: This code is executed before each test run. The script uses jQuery to manipulate an HTML document and perform some operations. Specifically, it:
	* Selects an element with class `menu-item` and checks its closest ancestor (`ul`) for a CSS property.
	* Sets the parent's border style.
	* Appends a new paragraph element to the previous output.
2. **Html Preparation Code**: This code is executed before the benchmark definition and includes several versions of jQuery, along with their corresponding `$.noConflict()` calls.

**Individual Test Cases**

The individual test cases are represented by an array of objects. Each object contains:

1. **Benchmark Definition**: The actual code that will be executed during the benchmark.
2. **Test Name**: The name of the test case (e.g., `$jq224`).

In this case, we have four test cases, each using a different version of jQuery.

**Options Compared**

The options compared in this benchmark are:

1. **jQuery Version**: Different versions of jQuery (1.10.2, 1.12.4, 2.2.4, and 3.3.1).
2. **$.noConflict() Call**: Each test case uses a different version of the `$.noConflict()` function to resolve conflicts with other libraries.

**Pros and Cons**

Here's a brief summary of the pros and cons of each option:

* **jQuery Version**: The performance difference between these versions may be negligible, as the benchmark is designed to measure overall execution time rather than specific features. However, newer versions might have optimizations that improve performance.
	+ Pros: Using newer versions can take advantage of improvements in the underlying library.
	+ Cons: Older versions might not have the same level of optimization or support for modern browsers.
* **$.noConflict() Call**: The `$.noConflict()` function is used to resolve conflicts with other libraries. However, its impact on performance might be negligible.

**Other Considerations**

The benchmark also uses a custom HTML document with an unordered list (`ul`) and anchor elements (`a`). This suggests that the test case is designed to measure the performance of jQuery in a specific context (e.g., DOM manipulation).

**Library Used**

In this benchmark, the library used is jQuery. Specifically, it's a collection of different versions of the library, each with their own `$.noConflict()` call.

**Special JS Feature or Syntax**

There doesn't seem to be any special JavaScript feature or syntax being tested in this benchmark. The code appears to be standard jQuery usage.

**Alternatives**

If you were to create a similar benchmark, you could consider:

1. Using different JavaScript engines (e.g., V8, SpiderMonkey) to compare their performance.
2. Incorporating other libraries or frameworks to test their impact on performance.
3. Adding more complex operations to the benchmark definition to measure its scalability.

Keep in mind that the specific details of this benchmark can be adjusted or modified to suit your testing needs.

Related benchmarks:

jquery (version: 0)

Comparing performance of: $jq1102 vs $jq1124 vs $jq224 vs $jq331

Created: 5 years ago by: Guest

Jump to the latest result

$jq1102

$jq1124

$jq224

$jq331

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):