Benchmark: jquery 1 vs 2 vs 3

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 $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>      <li class="menu-item">4</li>      <li class="menu-item">4</li>      <li class="menu-item">4</li>      <li class="menu-item">4</li>      <li class="menu-item">4</li>      <li class="menu-item">4</li>      <li class="menu-item">4</li>      <li class="menu-item">4</li>      <li class="menu-item">4</li>      <li class="menu-item">4</li>      <li class="menu-item">4</li>      <li class="menu-item">4</li>      <li class="menu-item">4</li>      <li class="menu-item">4</li>      <li class="menu-item">4</li>      <li class="menu-item">4</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:

jq1.12.4
tests($jq1124);
jq2.2.4
tests($jq224);
jq3.4.1
tests($jq331);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
jq1.12.4
jq2.2.4
jq3.4.1

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 7 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36 Edg/140.0.0.0

Browser/OS: Chrome 140 on Windows

View result in a separate tab

Test name	Executions per second
jq1.12.4	52167.2 Ops/sec
jq2.2.4	68965.0 Ops/sec
jq3.4.1	66177.2 Ops/sec

Autogenerated LLM Summary (model llama3.1:latest, generated one year ago):

LLMs can make mistakes. Check important info.

Let's break down the benchmark definition and explain what's being tested.

**Benchmark Definition**

The benchmark is called "jquery 1 vs 2 vs 3". It compares the performance of three different versions of jQuery: 1.12.4, 2.2.4, and 3.4.1.

**Test Case Preparation Code**

The test case preparation code is written in JavaScript. It defines a function `tests` that takes a jQuery object (`$`) as an argument. The function performs the following operations:

1. Selects the third `.menu-item` element using `$( ".menu-item" ).eq(2)`.
2. Finds the closest `ul` parent of the selected element using `closest("ul")`.
3. Styles the parent `ul` element with a red background color and a blue border using `css()`.
4. Appends a new paragraph element to the styled `ul` element, setting its text content to "Text." and styling it with a green background color.
5. Removes the styled `ul` element from the DOM using `remove()`.

The code also logs a message to the console with the jQuery object (`$`) as an argument.

**Individual Test Cases**

There are three test cases:

1. **jq1.12.4**: Uses jQuery 1.12.4.
2. **jq2.2.4**: Uses jQuery 2.2.4.
3. **jq3.4.1**: Uses jQuery 3.4.1.

**Latest Benchmark Result**

The benchmark result shows the performance of each test case on a desktop Windows machine running Chrome browser. The results are measured in executions per second (EPS).

**Comparison and Analysis**

Based on the benchmark results, we can see that:

* jQuery 2.2.4 performs slightly better than jQuery 1.12.4.
* jQuery 3.4.1 performs significantly worse than both jQuery 1.12.4 and 2.2.4.

This suggests that newer versions of jQuery might have performance regressions or changes in behavior that affect the execution speed.

**Other Considerations**

When comparing the performance of different JavaScript libraries or frameworks, it's essential to consider factors like:

* Code complexity: More complex code may be slower due to increased parsing and execution overhead.
* DOM manipulation: Manipulating the Document Object Model (DOM) can be expensive in terms of performance.
* Library features: Using advanced library features may introduce additional overhead.

**Alternative Libraries and Features**

Other popular JavaScript libraries that could be compared with jQuery are:

* Prototype.js
* MooTools
* Lodash
* VanillaJS

When testing JavaScript code, consider using libraries or frameworks like:

* Webpack
* Rollup
* Babel
* TypeScript

Related benchmarks:

jquery 1 vs 2 vs 3 (version: 0)

Comparing performance of: jq1.12.4 vs jq2.2.4 vs jq3.4.1

Created: 6 years ago by: Guest

Jump to the latest result

jq1.12.4

jq2.2.4

jq3.4.1

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.1:latest, generated one year ago):