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jQuery 3.3.1 selector vs document.querySelector
(version: 0)
Comparing speed of jQuery 3.3.1 selector and vanilla JS querySelector
Comparing performance of:
jQuery 3.3.1 vs Vanilla JS
Created:
8 years ago
by:
Guest
Go to the latest result
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script> <div id="testElement"></div>
Tests:
jQuery 3.3.1
var el = $("#testElement")[0]; var className = el.className;
Vanilla JS
var el = document.querySelector('#testElement'); var className = el.className;
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
jQuery 3.3.1
Vanilla JS
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/134.0.0.0 Safari/537.36 Edg/134.0.0.0
Browser/OS:
Chrome 134 on Windows
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Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=597612" width="100%" height="500px"></iframe>
Vanilla JS
6.7M/s
jQuery 3.3.1
3.9M/s
View exact numbers
Test name
Executions per second
✓
Vanilla JS
6,684,944 Ops/sec
jQuery 3.3.1
3,866,327 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of JavaScript microbenchmarks. **Benchmark Overview** The benchmark is designed to compare the performance of jQuery 3.3.1 selector and vanilla JavaScript querySelector on two test cases. The goal is to determine which approach is faster for retrieving the class name of an HTML element. **Options Compared** Two options are compared: 1. **jQuery 3.3.1 Selector**: This is a part of the popular jQuery library, which provides a convenient way to select and manipulate HTML elements. 2. **Vanilla JavaScript querySelector**: This is a native JavaScript method that allows you to select elements using CSS selectors. **Pros and Cons** * **jQuery 3.3.1 Selector**: + Pros: Convenient and easy to use, but may introduce overhead due to the library's complexity. + Cons: May not be optimized for performance, can lead to slower execution times compared to vanilla JavaScript. * **Vanilla JavaScript querySelector**: + Pros: Native implementation, highly optimized, and provides better performance compared to jQuery. + Cons: Requires a good understanding of CSS selectors and may have limitations in terms of browser support. **Library: jQuery** jQuery is a popular JavaScript library that simplifies HTML element manipulation. The `$(selector)` function uses a proprietary selector engine to match elements in the DOM tree. In this benchmark, jQuery 3.3.1 selector is used to select an element with the class name "testElement". **Special JS Feature: None** This benchmark does not utilize any special JavaScript features or syntax. **Other Considerations** When choosing between jQuery and vanilla JavaScript querySelector, consider the trade-off between convenience and performance. If you need a simple way to manipulate elements in your application, jQuery might be a good choice. However, if you prioritize performance and are willing to invest time in learning CSS selectors, vanilla JavaScript querySelector is likely a better option. **Alternatives** If you're interested in exploring alternative approaches, consider the following: 1. **Other JavaScript libraries**: There are other JavaScript libraries, such as React or Angular, that provide similar functionality to jQuery. 2. **CSS-based selection**: You can use CSS selectors to select elements without relying on a library like jQuery or vanilla JavaScript querySelector. 3. **Browser-specific APIs**: Some browsers offer their own APIs for selecting elements, such as Microsoft Edge's `elementAt` method. Keep in mind that the choice of approach depends on your specific use case and requirements.
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jQuery 3.3.1 selector vs jQuery 2.1.4 vs document.querySelector vs document.getElementById
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