Benchmark: JQuery version speed test

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/3.3.1/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:

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

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
$jq1124
$jq224
$jq331

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 22 hours ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36

Browser/OS: Chrome 147 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
$jq1124	128249.4 Ops/sec
$jq224	159941.5 Ops/sec
$jq331	165807.8 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 JSON data and explain what's being tested.

**Benchmark Definition**

The benchmark definition is represented by the `Script Preparation Code` section, which contains a JavaScript function named `tests($)`. This function takes a jQuery object `$` as an argument and performs some operations on it. Specifically:

* It selects the element with class `menu-item` at index 2 using `.eq(2)` and its parent using `.closest("ul")`.
* It sets the background color of the selected elements to red, blue, green, and removes them.
* It logs a message to the console indicating that the jQuery object `$` is being used.

**Options Compared**

The benchmark compares different versions of jQuery:

1. `$.noConflict(true)` with jQuery version 1.12.4 (`$jq1124`)
2. `$.noConflict(true)` with jQuery version 2.2.4 (`$jq224`)
3. `$.noConflict(true)` with jQuery version 3.3.1 (`$jq331`)

These options are compared by calling the `tests($)` function with each of these jQuery objects as an argument.

**Pros and Cons**

Using different versions of jQuery can have pros and cons:

* **Pros:**
	+ Testing different versions allows developers to identify performance differences between versions.
	+ It can help identify bugs or regressions that occur when using older versions of jQuery.
* **Cons:**
	+ Using multiple versions can increase the complexity of the benchmark, making it harder to understand and maintain.
	+ Different versions of jQuery may have varying levels of support for certain features or libraries.

**Library and Its Purpose**

The `$.noConflict()` method is a jQuery function that allows developers to use a library like Prototype in addition to jQuery. When called with `true`, it returns an alias (`$`) that doesn't conflict with the original jQuery object, allowing developers to use both libraries simultaneously.

In this benchmark, `$.noConflict(true)` is used to create separate aliases for each version of jQuery, which is necessary because they are loaded in different orders.

**Special JS Features or Syntax**

There's no special JavaScript feature or syntax used in this benchmark. The code only uses standard JavaScript and jQuery features.

**Alternatives**

Other alternatives for benchmarking JavaScript performance could include:

1. Using a testing framework like Jest or Mocha, which provide built-in support for benchmarking.
2. Utilizing a library like Benchmark.js, which is specifically designed for benchmarking JavaScript code.
3. Creating a custom benchmark using a loop and timing the execution of a specific piece of code.

Keep in mind that each alternative has its own strengths and weaknesses, and the choice ultimately depends on the specific requirements of the project.

Related benchmarks:

JQuery version speed test (version: 0)

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

Created: 8 years ago by: Guest

Jump to the latest result

$jq1124

$jq224

$jq331

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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