Benchmark: jQuery 1.8.3 vs 2.0.3

HTML Preparation code:

<script src='https://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js'></script>
<script>
  var $jq183 = $.noConflict(true);
</script>
<script src='https://ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js'></script>
<script>
  var $jq203 = $.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:

Test jQuery 1.8.3
tests($jq183);
Test jQuery 2.0.3
tests($jq203);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Test jQuery 1.8.3
Test jQuery 2.0.3

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Browser/OS: Chrome 129 on Mac OS X 10.15.7

View result in a separate tab

Test jQuery 2.0.3

131K/s

Test jQuery 1.8.3

128K/s

View exact numbers

Test name	Executions per second
✓ Test jQuery 2.0.3	130,626 Ops/sec
Test jQuery 1.8.3	127,522 Ops/sec

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

LLMs can make mistakes. Check important info.

I'll break down the provided benchmark definition, individual test cases, and latest benchmark results in detail.

**Benchmark Definition**

The provided JSON represents a JavaScript microbenchmark that compares the performance of two versions of jQuery: 1.8.3 and 2.0.3. The benchmark is defined by the "Script Preparation Code" which creates a test function `tests($)`. This function is called with a jQuery object `$` as an argument.

**Options Compared**

The benchmark compares two options:

1. **jQuery version**: The primary comparison is between the two versions of jQuery: 1.8.3 and 2.0.3.
2. **Browser mode**: Both test cases use the `$.noConflict(true)` method to ensure that each browser uses a different instance of jQuery.

**Pros and Cons of Different Approaches**

Using multiple browser modes (e.g., Chrome, Safari) can lead to more accurate results by eliminating browser-specific issues. However, this approach also increases the complexity and time required for benchmarking.

On the other hand, using only one browser mode might simplify the benchmarking process but may introduce browser-specific biases.

**Library**

The `$.noConflict(true)` method is a jQuery utility function that allows multiple versions of jQuery to coexist on the same page. It returns a new version of jQuery and ensures that no conflicts occur between different versions.

**Special JS Feature/Syntax**

There are no special JavaScript features or syntaxes used in this benchmark.

**Benchmark Preparation Code**

The provided HTML preparation code sets up two instances of jQuery: `$.noConflict(true)` for each version. The script tags load the corresponding jQuery libraries, and the test function is defined using an immediately invoked function expression (IIFE).

**Individual Test Cases**

There are only two individual test cases:

1. **Test jQuery 1.8.3**: This test case calls the `tests($jq183)` function with the first instance of jQuery (`$jq183`).
2. **Test jQuery 2.0.3**: This test case calls the `tests($jq203)` function with the second instance of jQuery (`$jq203`).

**Latest Benchmark Results**

The latest benchmark results show the performance of each test case across multiple executions per second:

1. **Test jQuery 2.0.3**: The average execution rate is approximately 130626 executions/second.
2. **Test jQuery 1.8.3**: The average execution rate is approximately 127521 executions/second.

**Other Alternatives**

There are several other alternatives for benchmarking JavaScript:

1. **Node.js Performance Testing**: Node.js provides a built-in performance testing framework that can be used to measure the performance of JavaScript code.
2. **Benchmark.js**: Benchmark.js is a popular benchmarking library for Node.js and browsers.
3. **JSPerf**: JSPerf is a benchmarking tool specifically designed for measuring JavaScript performance.

Keep in mind that each alternative has its own strengths and weaknesses, and the choice of which one to use depends on the specific requirements of your project or benchmark.

jQuery 1.8.3 vs 2.0.3 (version: 0)

benchmark 2 different versions of jquery

Comparing performance of: `Test jQuery 1.8.3 vs Test jQuery 2.0.3`

Created: one year ago by: Guest

Go to the latest result

Test jQuery 1.8.3

Test jQuery 2.0.3

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

jQuery 1.8.3 vs 2.0.3 (version: 0)

benchmark 2 different versions of jquery

Comparing performance of: Test jQuery 1.8.3 vs Test jQuery 2.0.3

Created: one year ago by: Guest

Go to the latest result

Test jQuery 1.8.3

Test jQuery 2.0.3

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

Related benchmarks

Comparing performance of: `Test jQuery 1.8.3 vs Test jQuery 2.0.3`