Benchmark: class test - MeasureThat.net

HTML Preparation code:

<div id="v"></div>

Tests:

el.className
const el = document.getElementById("v") el.className = "hoool"
el.classList
const el = document.getElementById("v") el.classList.add("hoool")

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
el.className
el.classList

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

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

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks.

**Benchmark Definition**

The provided JSON represents a benchmark definition, which is essentially a template for creating and running JavaScript benchmarks. The key fields are:

* `Name`: A human-readable name for the benchmark.
* `Description`: An optional description of the benchmark (in this case, empty).
* `Script Preparation Code`: An optional code snippet that should be executed before running the benchmark (empty in this case).
* `Html Preparation Code`: An HTML snippet that sets up a test environment, which includes a `<div>` element with an ID "v".

**Individual Test Cases**

The individual test cases are represented as JSON arrays, each containing two main fields:

* `Benchmark Definition`: A JavaScript statement that defines the benchmark, including variables and operations to be tested.
* `Test Name`: The name of the test case.

There are only two test cases in this example:

1. `el.className = "hoool"`: This test case benchmarks setting a CSS class on an HTML element using the dot notation (`el.className`).
2. `el.classList.add("hoool")`: This test case benchmarks adding a CSS class to an HTML element using the `classList` property.

**Options Compared**

In this benchmark, two options are compared:

1. Using the dot notation (`el.className`) versus
2. Using the `classList` property.

These two approaches have different pros and cons:

* **Dot Notation (el.className)**:
	+ Pros: Shorter syntax, often more readable.
	+ Cons: May not work in older browsers or with certain CSS implementations.
* **classList Property**:
	+ Pros: More modern and widely supported, provides additional methods for working with classes (e.g., `add`, `remove`).
	+ Cons: Longer syntax, may be less readable.

The choice between these two approaches depends on the specific use case, target audience, and desired level of compatibility.

**Library Usage**

In this benchmark, no libraries are explicitly mentioned or used. However, if a library like jQuery is used in one of the test cases, it would likely provide additional functionality for working with HTML elements (e.g., `$(el).addClass("hoool")`).

**Special JS Features/Syntax**

There are no special JavaScript features or syntax used in this benchmark. The code snippets are straightforward and do not rely on any advanced features.

**Other Alternatives**

If you wanted to create an alternative benchmark with different options compared, here are some ideas:

1. Benchmark setting a CSS style directly (e.g., `el.style.position = "absolute"`).
2. Compare using a library like Lodash for functional programming techniques.
3. Experiment with different data structures or algorithms (e.g., searching in arrays vs. using a binary search).

When creating your own benchmarks, consider the following best practices:

* Keep code snippets simple and concise to minimize overhead.
* Use meaningful names and comments to ensure readability.
* Ensure compatibility across different browsers and platforms.
* Test thoroughly to validate results and identify potential issues.

Remember, benchmarking is an iterative process. By experimenting with different approaches and testing your findings, you can refine your benchmarks and gain a better understanding of performance characteristics in JavaScript microbenchmarks.

Related benchmarks:

class test (version: 0)

Comparing performance of: el.className vs el.classList

Created: 3 years ago by: Guest

Jump to the latest result

el.className

el.classList

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):