Benchmark: classlist.add - MeasureThat.net

HTML Preparation code:

<div id="foo"></div>

Tests:

classlist.add
var element = document.getElementById("foo"); var i = 30000; while (i--) { element.classList.add("hide"); }
classlist.remove
var element = document.getElementById("foo"); var i = 3000; while (i--) { element.classList.remove("hide" , true); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
classlist.add
classlist.remove

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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

LLMs can make mistakes. Check important info.

Let's dive into the explanation of the provided benchmark.

**What is being tested?**

MeasureThat.net tests two JavaScript methods: `classList.add` and `classList.remove`. The test cases are designed to measure the performance difference between these two methods, specifically in terms of the number of executions per second on a desktop platform using Chrome 98.

**Options compared**

The options being compared are:

1. **`classList.add`**: This method adds one or more classes to an element.
2. **`classList.remove`**: This method removes one or more classes from an element.

**Pros and Cons of each approach:**

1. `classList.add`:
	* Pros:
		+ More concise and readable code.
		+ Less chance of errors, as the method is built-in to the DOM API.
	* Cons:
		+ May be slower due to the additional processing required for adding classes.
2. `classList.remove`:
	* Pros:
		+ Faster, as it only removes existing classes without any additional processing.
	* Cons:
		+ Less concise and readable code.
		+ More chance of errors, as the method requires careful handling of parameters.

**Library used:**

In both test cases, no external library is required. The `classList` API is built-in to the DOM API in modern browsers, making it a suitable choice for this benchmark.

**Special JS feature or syntax:**

None mentioned. Both `classList.add` and `classList.remove` are standard JavaScript methods and do not require any special features or syntax beyond what's available in modern browsers.

**Other considerations:**

* The test cases use a simple HTML element (`<div id="foo"></div>`) to demonstrate the usage of `classList.add` and `classList.remove`. In a real-world scenario, you might want to consider using more realistic HTML structures.
* The benchmark runs on a desktop platform (Mac OS X 10.15.7) with Chrome 98, which may not be representative of all user environments.

**Alternatives:**

If you're interested in exploring alternative approaches or libraries for similar benchmarks, some options include:

1. **Using other class management methods**: Instead of relying on the `classList` API, you could use a library like jQuery's `.addClasses()` and `.removeClasses()` methods.
2. **Implementing your own class management logic**: You could create a custom implementation of class management using JavaScript, which might provide more control over performance optimization.

Keep in mind that these alternatives may require additional code, testing, and consideration to ensure accurate and representative results.

Related benchmarks:

classlist.add (version: 0)

Comparing performance of: classlist.add vs classlist.remove

Created: 4 years ago by: Guest

Jump to the latest result

classlist.add

classlist.remove

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):