Benchmark: Class vs Id Jquery 2

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>
<div id='nekiId1' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiId2' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiId3' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiI4d' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiId5' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiId6' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiId7' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiId8' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiId9' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiId0' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>

<div id='elementIdentifier' class='classIdentifier'></div>


<div id='nekiId11' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiId12' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiId13' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiI14' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiId15' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiId16' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiId17' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiId18' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiId19' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>
<div id='nekiId123' class="nekaKlasa nekaKlasa2 nekaKlasa3">Lorem ipsum</div>

Tests:

Javascript getelementbyid
document.getElementById('elementIdentifier');
javascript get by class
document.getElementsByClassName('classIdentifier');
jquery get by id
$('#elementIdentifier')
jquery get by class
$('.classIdentifier')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Javascript getelementbyid
javascript get by class
jquery get by id
jquery get by class

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks.

**Benchmark Definition**

The benchmark definition JSON represents three different approaches to accessing an HTML element: `document.getElementById`, `document.getElementsByClassName`, `$('#elementIdentifier')` (jQuery), and `$('.classIdentifier')` (jQuery).

**Options Compared**

The options compared in this benchmark are:

1. **Native JavaScript**: Using the native `document.getElementById` method to access an element by its ID.
2. **DOM Query**: Using the `document.getElementsByClassName` method to access elements by their class name.
3. **jQuery**: Using jQuery's `$()` function to access elements by their ID or class name.

**Pros and Cons**

Here are some pros and cons of each approach:

1. **Native JavaScript (`document.getElementById`)**:
	* Pros: Fast, lightweight, and widely supported.
	* Cons: Requires manual element selection, which can lead to errors if not done correctly.
2. **DOM Query (`document.getElementsByClassName`)**:
	* Pros: Can be used to select multiple elements at once, easy to use for certain use cases.
	* Cons: Slower than native JavaScript, and may return incorrect results if the class name is not unique.
3. **jQuery**:
	* Pros: Provides a convenient and expressive API for accessing elements, can simplify code and reduce errors.
	* Cons: Adds overhead due to jQuery's library size, and may be slower than native JavaScript for simple cases.

**Library Usage**

In this benchmark, jQuery is used in two ways:

1. **$('#elementIdentifier')**: Uses jQuery's `$()` function to access an element by its ID.
2. **$('.classIdentifier')**: Uses jQuery's `.()` function to access elements by their class name.

jQuery provides a convenient API for accessing elements, but it also adds overhead due to the library size.

**Special JS Features**

None of the benchmark cases use special JavaScript features such as async/await, Promises, or modern ECMAScript syntax (e.g., `const`, `let`, `class`).

**Other Alternatives**

If you're interested in exploring alternative approaches, here are a few options:

1. **Vanilla JavaScript libraries**: Libraries like Lodash or Underscore.js provide utility functions for working with elements and DOM queries.
2. **Custom element accessors**: You can create custom accessor functions to work with elements in a way that's tailored to your specific use case.
3. **Native Node.js APIs**: If you're running your JavaScript code on the server-side, you can use native Node.js APIs like `document.getElementById` or `querySelectorAll`.

Keep in mind that these alternatives may have their own trade-offs and overhead, so be sure to evaluate them based on your specific requirements.

Latest run results:

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

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36

Browser/OS: Chrome 87 on Linux

View result in a separate tab

Test name	Executions per second
Javascript getelementbyid	1765072.6 Ops/sec
javascript get by class	1692626.1 Ops/sec
jquery get by id	415972.3 Ops/sec
jquery get by class	175335.8 Ops/sec

Related benchmarks:

Class vs Id Jquery 2 (version: 0)

Comparing performance of: Javascript getelementbyid vs javascript get by class vs jquery get by id vs jquery get by class

Created: 4 years ago by: Guest

Jump to the latest result

Javascript getelementbyid

javascript get by class

jquery get by id

jquery get by class

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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