Benchmark: Compare jQuery 3.7.0 vs 3.0.0 performance

HTML Preparation code:

<script src='https://code.jquery.com/jquery-3.7.0.min.js'></script>
<script type="text/javascript">
    var jq370 = $.noConflict(true);
</script>
<script src='https://code.jquery.com/jquery-3.0.0.min.js'></script>
<script type="text/javascript">
    var jq300 = $.noConflict(true);
</script>
<div id="testElement"></div>

Tests:

jQuery 3.7.0
var element = jq370('#testElement'); element.removeClass('test-class'); element.addClass('test-class'); element.removeClass('test-class');
jQuery 3.0.0
var element = jq300('#testElement'); element.removeClass('test-class'); element.addClass('test-class'); element.removeClass('test-class');

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
jQuery 3.7.0
jQuery 3.0.0

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36 OPR/116.0.0.0 (Edition Yx 05)

Browser/OS: Opera 116 on Windows

View result in a separate tab

Test name	Executions per second
jQuery 3.7.0	295020.2 Ops/sec
jQuery 3.0.0	270588.1 Ops/sec

Autogenerated LLM Summary (model gpt-4o-mini, generated one year ago):

LLMs can make mistakes. Check important info.

The benchmark provided compares the performance of two versions of the popular JavaScript library jQuery: 3.7.0 and 3.0.0. The benchmark aims to evaluate how the different versions handle DOM manipulation, specifically class manipulation on a test element, which is represented by a `<div>` with the ID `testElement`.

### Benchmark Details

**Test Cases:**
1. **jQuery 3.7.0**
   - The benchmark code for this version uses jQuery version 3.7.0 to:
     - Remove a class called `test-class`
     - Add the same class back
     - Remove the class again
   - This tests the efficiency of the class manipulation methods in jQuery 3.7.0.

2. **jQuery 3.0.0**
   - Similarly, this case runs the same set of actions using jQuery version 3.0.0.
  
### Performance Metrics
The results show the number of executions per second for each version:
- **jQuery 3.7.0:** 295,020.25 executions per second
- **jQuery 3.0.0:** 270,588.125 executions per second

### Pros and Cons of jQuery Versions
**jQuery 3.7.0:**
- **Pros:**
  - Improved performance in handling DOM manipulations, as evidenced by the higher executions per second.
  - Bug fixes and updates related to security and stability since it is a newer release.
  - Additional features and methods introduced that may provide developers with more tools.

- **Cons:**
  - Backward compatibility issues may arise if a project relies on deprecated or less efficient methods removed or changed in newer versions.

**jQuery 3.0.0:**
- **Pros:**
  - Established and widely used; many legacy systems may depend on this version.
  - Stable with a long support history before the transition to 3.x series.

- **Cons:**
  - Lower performance in this specific benchmark scenario illustrates that it may not handle modern web standards or best practices as efficiently.
  - Lacks optimizations and fixes present in newer versions, potentially leading to issues in more complex applications.

### Other Considerations
- **Library Details**: jQuery is a fast and concise JavaScript library that simplifies HTML document traversal, event handling, and animation. In this benchmark, it is specifically tested for its class manipulation methods (`addClass` and `removeClass`).
- **Browser Environment**: Both tests are run on the same browser (Opera 116), ensuring that the comparison is fair and the results reflect the differences between jQuery versions rather than variations caused by different browser environments.
  
### Alternatives to jQuery
While jQuery remains a popular choice for DOM manipulation and event handling, particularly in legacy systems, there are alternatives:

1. **Vanilla JavaScript**: Modern JavaScript (ES6 and above) allows developers to manipulate the DOM efficiently without requiring an external library. The `classList` API, for instance, provides methods like `add`, `remove`, and `toggle` for managing CSS classes.

2. **Other Libraries/Frameworks**:
   - **React**: Used for building user interfaces, offers a declarative way to handle DOM updates and state changes, which may be more efficient in complex applications.
   - **Vue.js / Angular**: Both provide reactive programming paradigms that can manage the DOM more efficiently in web applications without direct DOM manipulation commands.

In summary, this benchmark demonstrates the performance improvements in jQuery from version 3.0.0 to 3.7.0, particularly for class manipulation in the DOM, and highlights the importance of choosing the right version for your specific application needs while considering more modern alternatives.

Related benchmarks:

Compare jQuery 3.7.0 vs 3.0.0 performance (version: 1)

Comparing performance of: jQuery 3.7.0 vs jQuery 3.0.0

Created: one year ago by: Guest

Jump to the latest result

jQuery 3.7.0

jQuery 3.0.0

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model gpt-4o-mini, generated one year ago):