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jQuery hasClass vs jQuery data
(version: 0)
Benchmark.js
Comparing performance of:
jQuery hasClass vs jQuery data
Created:
4 years ago
by:
Guest
Go to the latest result
HTML Preparation code:
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <div id="el" class="test" data-slot='0'></div>
Tests:
jQuery hasClass
$("#el").hasClass("test");
jQuery data
$("#el").data('slot');
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
jQuery hasClass
jQuery data
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/131.0.0.0 Safari/537.36
Browser/OS:
Chrome 131 on Windows
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Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=578283" width="100%" height="500px"></iframe>
jQuery data
3.7M/s
jQuery hasClass
3.0M/s
View exact numbers
Test name
Executions per second
✓
jQuery data
3,707,826 Ops/sec
jQuery hasClass
2,978,060 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the benchmark and its options. **Benchmark Overview** The benchmark measures the performance difference between two jQuery methods: `hasClass` and `data`. The test is designed to run in a web browser, using the jQuery library. **Options Compared** Two options are compared: 1. **jQuery `hasClass`**: This method checks if an element has a specific class. 2. **jQuery `data`**: This method sets or retrieves data associated with an element. **Pros and Cons of Each Approach** **jQuery `hasClass`**: Pros: * Faster, as it only needs to check the DOM property of the element (a simple lookup). * More efficient, as it doesn't require parsing JSON or manipulating strings. Cons: * Only checks if the class exists; it doesn't return any additional information. * May be slower in some cases due to browser caching and other factors. **jQuery `data`**: Pros: * Returns the stored data value (if set). * Can be useful for storing custom data with an element. Cons: * Slower, as it needs to parse JSON or manipulate strings to retrieve and store data. * Requires more resources, as it needs to handle data serialization and deserialization. **Library: jQuery** jQuery is a popular JavaScript library that simplifies DOM manipulation and provides various utility functions. The `hasClass` and `data` methods are part of jQuery's core functionality. **Special JS Feature or Syntax: None mentioned** There are no special features or syntax used in this benchmark that require specific knowledge or expertise. **Other Alternatives** If you need to compare the performance of similar methods in other libraries, consider: * Vanilla JavaScript (using `Element.classList.contains()` for `hasClass` and `Element.dataset` for `data`) * Other jQuery alternatives like Lodash or Underscore.js * Other JavaScript libraries that provide similar functionality, such as React or Angular Keep in mind that the specific implementation and performance characteristics of these alternatives may vary from jQuery. **Benchmark Preparation Code** The script preparation code includes a single line: ```javascript <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> ``` This loads the jQuery library, which is then used in both test cases. **Html Preparation Code** The HTML preparation code sets up an `<div>` element with an ID of "el" and a class of "test", as well as a `data-slot` attribute: ```html <div id="el" class="test" data-slot='0'></div> ``` This element is used in both test cases to measure the performance of jQuery's `hasClass` and `data` methods.
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