Benchmark: JQuery version speed test 1.7.2

HTML Preparation code:

<script src='https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/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:

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 break down what's being tested in this JavaScript microbenchmark.

**Benchmark Definition**

The benchmark definition is provided as a JSON object, which includes the following information:

* `Script Preparation Code`: This code is executed before running the benchmark. In this case, it creates a jQuery instance and performs some DOM manipulation using the `$` variable.
* `Html Preparation Code`: This code is used to set up the HTML environment for the benchmark. It loads different versions of jQuery (1.7.2, 2.2.4, and 3.3.1) and assigns them to variables with a `.noConflict()` method call. The `.noConflict()` method is used to mitigate conflicts between multiple libraries using `$` as their variable.

**Individual Test Cases**

The benchmark consists of three test cases:

* `"$jq1124"`: This test case uses the oldest version of jQuery (1.7.2) and runs the `tests($jq1124)` function.
* `"$jq224"`: This test case uses a newer version of jQuery (2.2.4) and runs the `tests($jq224)` function.
* `"$jq331"`: This test case uses the latest version of jQuery (3.3.1) and runs the `tests($jq331)` function.

**Options Compared**

The benchmark is comparing three options:

1. Using an older version of jQuery (1.7.2)
2. Using a newer version of jQuery (2.2.4)
3. Using the latest version of jQuery (3.3.1)

**Pros and Cons of Each Approach**

* **Using an older version of jQuery**: This approach is likely to be slower due to the smaller size of the library, but it may also have better performance in certain scenarios where compatibility with older browsers is required.
* **Using a newer version of jQuery**: This approach is likely to be faster due to the improved performance and features of the newer library. However, it may not be compatible with older browsers, which could limit its usefulness.
* **Using the latest version of jQuery**: This approach is likely to be the fastest due to the extensive optimizations and improvements made in recent versions. However, it may also have a higher memory footprint and require more complex setup.

**Library**

The `$.noConflict()` method is used to mitigate conflicts between multiple libraries using `$` as their variable. In this case, jQuery uses `$` internally, but the `.noConflict()` method allows other libraries to use `$` without conflicting with jQuery's functionality.

**Special JS Feature or Syntax**

There are no special JavaScript features or syntax mentioned in the benchmark definition that would require any specific knowledge of modern JavaScript.

**Other Considerations**

When running this benchmark, it's essential to consider the following factors:

* Browser compatibility: The benchmark is likely to be run on multiple browsers, so ensuring compatibility with different browsers and versions is crucial.
* Network latency: The benchmark may involve loading large files or making network requests, which could impact performance due to network latency.

**Alternatives**

There are several alternatives to this approach that could be used for benchmarking JavaScript libraries:

1. **Benchmarking frameworks**: Frameworks like Benchmark.js or jsperf can help simplify the process of writing and running benchmarks.
2. **Virtual machines**: Using virtual machines like V8.js or Node.js can provide a more consistent environment for testing performance.
3. **Cloud-based benchmarking services**: Services like BrowserStack or Sauce Labs offer cloud-based infrastructure for running browser-based benchmarks.

I hope this explanation helps!

Related benchmarks:

JQuery version speed test 1.7.2 (version: 0)

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

Created: 7 years ago by: Registered User

Jump to the latest result

$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):