Benchmark: Modern dataset vs old .getAttribute() vs jQuery .data() vs jQuery .attr() rfgonzalezweb

HTML Preparation code:

<h3 id="data" data-test="text">kipr202 header</h3>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js" integrity="sha512-bLT0Qm9VnAYZDflyKcBaQ2gg0hSYNQrJ8RilYldYQ1FxQYoCLtUjuuRuZo+fjqhx/qtq/1itJ0C2ejDxltZVFg==" crossorigin="anonymous"></script>

Tests:

dataset
window.onload = function() { document.querySelector("h3#data").dataset.test; }
getAttribute
window.onload = function() { document.querySelector("h3#data").getAttribute("data-test"); }
jQuery .data()
$(document).ready(function() { $("h3#data").data("test"); });
jQuery .attr()
$(document).ready(function() { $("h3#data").attr("data-test"); });

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
dataset
getAttribute
jQuery .data()
jQuery .attr()

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36

Browser/OS: Chrome 90 on Windows

View result in a separate tab

Test name	Executions per second
dataset	668620.4 Ops/sec
getAttribute	720647.4 Ops/sec
jQuery .data()	17780.6 Ops/sec
jQuery .attr()	18842.4 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's dive into the provided benchmark JSON and explain what is tested, compared, and their pros and cons.

**Benchmark Overview**

The benchmark tests four different approaches to retrieve data from an HTML element:

1. `dataset` (modern JavaScript way)
2. `getAttribute` (legacy DOM method)
3. `jQuery .data()` (JQuery's custom attribute storage)
4. `jQuery .attr()` (JQuery's attribute retrieval method)

**Options Compared**

Each option is compared to measure their performance, specifically the number of executions per second.

**Pros and Cons of Each Approach**

1. **`dataset`**: This approach uses modern JavaScript's `dataset` property to store custom attributes on an element. It's a convenient way to store data that doesn't require serialization or deserialization.
	* Pros: fast, easy to use, works with modern browsers
	* Cons: not supported in older browsers, requires compatibility modes for very old browsers
2. **`getAttribute`**: This legacy DOM method retrieves the value of an attribute using its name as a string.
	* Pros: widely supported across older browsers, no dependency on JavaScript libraries
	* Cons: slower than modern approaches due to DOM access overhead, requires attribute serialization and deserialization
3. **`jQuery .data()`**: This is JQuery's custom attribute storage mechanism that stores data on an element under the `data-` prefix.
	* Pros: works with older browsers (IE8+) that don't support modern JavaScript attributes, easy to use in context of jQuery
	* Cons: slower than modern approaches due to dependency on jQuery library, more verbose code
4. **`jQuery .attr()`**: This method retrieves the value of an attribute using its name as a string.
	* Pros: fast, widely supported across older browsers (IE8+), works seamlessly with jQuery
	* Cons: still slower than modern approaches due to dependency on jQuery library

**Library Usage**

* `jQuery` is used in options 3 and 4. It's a JavaScript library that provides additional functionality for DOM manipulation and event handling.

**Special JS Feature or Syntax**

None of the options use special JavaScript features or syntax beyond the basics of retrieving attribute values.

**Other Alternatives**

If you need to retrieve data from an HTML element, other alternatives include:

* Using CSS attributes (e.g., `data-attribute-name`) and accessing them using modern JavaScript methods like `dataset` or `getAttribute`.
* Implementing custom storage mechanisms using local storage, session storage, or Web Storage API.
* Using frameworks or libraries that provide built-in support for attribute storage and retrieval, such as Angular or Vue.js.

Keep in mind that the choice of approach depends on your specific use case, target browser support, and performance requirements.

Related benchmarks:

Modern dataset vs old .getAttribute() vs jQuery .data() vs jQuery .attr() rfgonzalezweb (version: 0)

Comparing performance of: dataset vs getAttribute vs jQuery .data() vs jQuery .attr()

Created: 3 years ago by: Registered User

Jump to the latest result

dataset

getAttribute

jQuery .data()

jQuery .attr()

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):