Benchmark: jQuery removeClass vs jQuery classList.remove

HTML Preparation code:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div id="el" class="test"></div>

Tests:

jQuery removeClass
$("#el").removeClass("test");
jQuery classList.add
$("#el")[0].classList.remove("test");

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
jQuery removeClass
jQuery classList.add

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/113.0.0.0 Safari/537.36

Browser/OS: Chrome 113 on Windows

View result in a separate tab

Test name	Executions per second
jQuery removeClass	1065323.9 Ops/sec
jQuery classList.add	1473183.5 Ops/sec

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

LLMs can make mistakes. Check important info.

I'd be happy to help you understand the JavaScript microbenchmark on MeasureThat.net.

**Overview**

The benchmark compares two approaches for removing a class from an HTML element using jQuery: `removeClass` and `classList.remove`. The test is designed to measure which approach is faster, with more executions per second.

**Benchmark Definition**

The benchmark definition consists of two test cases:

1. **jQuery removeClass**: `$("#el").removeClass("test");`
2. **jQuery classList.add**: `$("#el")[0].classList.remove("test");`

Both tests use jQuery to select an HTML element with the ID `el` and then attempt to remove the class `test`. The difference lies in how they execute this action:

* `removeClass`: This method is a part of jQuery's DOM manipulation API, which allows you to add or remove classes from an element.
* `classList.remove`: This method uses the `classList` property, introduced in HTML5, which provides an API for working with class lists.

**Options Compared**

The benchmark compares two approaches:

1. **jQuery's removeClass method**: As mentioned earlier, this is a part of jQuery's DOM manipulation API.
2. **Using classList.remove**: This approach uses the `classList` property and its corresponding `remove` method.

**Pros and Cons**

* **jQuery's removeClass method**:
	+ Pros: Well-established API, easy to use, and widely supported.
	+ Cons: May not be as efficient or modern as other approaches.
* **Using classList.remove**:
	+ Pros: More modern, efficient, and standardized approach for working with class lists.
	+ Cons: Requires support for HTML5's `classList` property, which might not be available in older browsers.

**Library and Purpose**

The library used here is jQuery, a popular JavaScript library for DOM manipulation, events, and Ajax. Its purpose is to simplify the process of interacting with web pages and elements.

**Special JS Feature or Syntax**

There are no special features or syntaxes mentioned in this benchmark that would require additional explanation.

**Alternatives**

If you want to explore alternative approaches for removing a class from an HTML element, here are a few options:

1. **Using the `classList` property directly**: `$("#el").classList.remove("test");`
2. **Using a library like Lodash or Ramda**: These libraries often provide utility functions for working with arrays and objects, including class lists.
3. **Writing custom JavaScript code**: You could write your own function to remove a class from an element using JavaScript's `setAttribute` method.

Keep in mind that these alternatives might have different performance characteristics or trade-offs, so it's essential to test them yourself if you're interested in exploring further.

Related benchmarks:

jQuery removeClass vs jQuery classList.remove (version: 0)

Comparing performance of: jQuery removeClass vs jQuery classList.add

Created: 5 years ago by: Guest

Jump to the latest result

jQuery removeClass

jQuery classList.add

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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