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Test DOM Select
(version: 0)
Comparing performance of:
jquery js vs vanilla js
Created:
4 years ago
by:
Guest
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HTML Preparation code:
<div class="test"></div> <script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>
Tests:
jquery js
let element = jQuery('.test')[0];
vanilla js
let element = document.getElementsByClassName('test')[0]
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
jquery js
vanilla js
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the benchmark and its test cases to understand what's being tested. **Benchmark Definition** The benchmark is defined as a simple test that measures the performance of two different approaches to select an HTML element by class name: 1. **jQuery JavaScript library**: `let element = jQuery('.test')[0];` 2. **Vanilla JavaScript**: `let element = document.getElementsByClassName('test')[0]` **Options being compared** The benchmark compares the performance of using a popular JavaScript library (jQuery) versus a vanilla JavaScript approach to select an HTML element by class name. **Pros and Cons** * **Using jQuery**: + Pros: jQuery is a well-established, mature library that provides a robust way to manipulate the DOM. It's widely supported and has a large community of developers who contribute to its development. + Cons: Using jQuery introduces additional overhead due to the need to load and parse the library. This can impact performance, especially in scenarios where the selection is frequent or complex. * **Vanilla JavaScript**: + Pros: Vanilla JavaScript provides direct access to the DOM, allowing for more control over the selection process. It's also faster since no library needs to be loaded. + Cons: The vanilla JavaScript approach requires manual parsing and manipulation of the DOM, which can be error-prone and slower than using a library like jQuery. **Library (jQuery)** jQuery is a popular JavaScript library that simplifies DOM manipulation and provides a robust set of features for working with HTML documents. It's widely used due to its ease of use, flexibility, and community support. In this benchmark, jQuery is used to select an element by class name using the `$.class()` method. **Special JS feature/syntax** There isn't any special JavaScript feature or syntax being tested in this benchmark. Both test cases are relatively straightforward and rely on standard JavaScript features. **Other alternatives** If you're interested in exploring other approaches, here are a few alternatives: * **React**: A popular JavaScript library for building user interfaces. It provides a virtual DOM and a range of features for managing state and side effects. * **D3.js**: A data visualization library that provides a robust set of tools for manipulating and displaying data on the web. * **Vanilla-JS alternatives**: There are several vanilla JavaScript libraries available, such as Lodash or Underscore.js, that provide additional utility functions for working with data and DOM manipulation. Keep in mind that these alternatives may offer different performance characteristics and trade-offs compared to using a full-fledged library like jQuery.
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