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jQuery by id vs Document.getElementById
(version: 0)
Comparing speed of getting element by id with jQuery vs Vanilla JS
Comparing performance of:
jQuery 3.1.1 Slim vs Vanilla JS
Created:
9 years ago
by:
Guest
Go to the latest result
HTML Preparation code:
<script src="//ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.slim.min.js"></script> <div class="test"></div> <div class="test2"></div>
Tests:
jQuery 3.1.1 Slim
var el = $(".test");
Vanilla JS
var el = document.getElementsByClassName('test');
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
jQuery 3.1.1 Slim
Vanilla JS
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36
Browser/OS:
Chrome 135 on Mac OS X 10.15.7
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Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=599727" width="100%" height="500px"></iframe>
Vanilla JS
23.6M/s
jQuery 3.1.1 Slim
3.0M/s
View exact numbers
Test name
Executions per second
✓
Vanilla JS
23,554,690 Ops/sec
jQuery 3.1.1 Slim
2,986,396 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into explaining the benchmark. **What is being tested?** The provided JSON represents a microbenchmark that compares the speed of two approaches to retrieve an HTML element by its ID: 1. **jQuery**: A JavaScript library that provides a simplified way to interact with the DOM. 2. **Vanilla JS (Document.getElementById)**: The native JavaScript method to retrieve an element by its ID. **Options compared** In this benchmark, we have two options being compared: * jQuery 3.1.1 Slim * Vanilla JS using `document.getElementById` **Pros and Cons of each approach** **jQuery:** Pros: * Simplified way to interact with the DOM * Easier to use, especially for complex DOM manipulations * Provides a convenient way to select elements by ID Cons: * Adds extra weight to your application's bundle size (due to its library overhead) * Can be slower than native JavaScript methods due to the library's internal workings **Vanilla JS (`document.getElementById`):** Pros: * Lightweight, with minimal added overhead * Fast and efficient since it uses the native browser method * No additional dependencies or libraries needed Cons: * Requires more manual effort to construct complex DOM selections * Can be verbose and harder to read for some developers **Library: jQuery** jQuery is a widely-used JavaScript library that provides an easy-to-use API for interacting with the DOM. Its primary purpose is to simplify DOM manipulation, event handling, and Ajax requests. In this benchmark, we're using the `$(selector)` syntax to select elements by ID. This is just one of many selectors available in jQuery, but it's a popular and commonly used one. **Special JS feature/syntax** There are no special JavaScript features or syntax mentioned in this benchmark that would require additional explanation. **Other alternatives** If you're interested in exploring alternative approaches for retrieving elements by ID, here are some options: * **Sizzle**: Another popular JavaScript library that provides a lightweight way to select elements from the DOM. However, it's not as widely used as jQuery. * **CSS selectors**: You can use CSS selectors like `#id` or `[id="id"]` to select elements by ID in vanilla JavaScript. This approach is more verbose than jQuery, but can be faster since it leverages the browser's CSS engine. * **Element query API**: Some modern browsers support the Element Query API, which provides a more efficient way to select elements from the DOM. Keep in mind that these alternatives might require additional setup or modifications to your codebase.
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