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jQuery vs JS - Test
(version: 0)
Comparing performance of:
Vanilla vs jQuery
Created:
6 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.1.0.min.js"></script> <textarea id="ADMIN_COMMENT_1_FIELD" name="1" class="admin-comment-class" style="width: 270px" maxlength="250">See this comment?</textarea>
Tests:
Vanilla
var comment_class = document.getElementsByClassName('admin-comment-class'); var comment_value = comment_class[0].value;
jQuery
var commentClass = $('.admin-comment-class'); var commentValue = $(commentClass[0]).val();
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Vanilla
jQuery
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what's being tested. **Benchmark Overview** MeasureThat.net is a website that allows users to create and run JavaScript microbenchmarks. The provided benchmark compares the execution speed of two approaches: "Vanilla" (using only native JavaScript) and "jQuery" (using the popular jQuery library). **Options Compared** The two options being compared are: 1. **Vanilla**: This approach uses native JavaScript functions to select elements and retrieve their values. Specifically, it uses `document.getElementsByClassName()` and `element.value` to get an array of elements with the class `admin-comment-class` and then retrieves the value of the first element in that array. 2. **jQuery**: This approach uses the jQuery library to select elements and retrieve their values. Specifically, it uses `$()` to create a jQuery object from the CSS selector `.admin-comment-class`, and then uses the `.val()` method to retrieve the value of the first element in that set. **Pros and Cons** Here are some pros and cons of each approach: * **Vanilla**: + Pros: No additional library dependencies, potentially faster execution since it doesn't require jQuery's overhead. + Cons: Requires manual DOM manipulation, which can be error-prone and less efficient than using a library. * **jQuery**: + Pros: Fast and convenient way to manipulate the DOM, reduces boilerplate code. + Cons: Adds an additional library dependency, potentially slower execution since it needs to load and parse jQuery. **Library - jQuery** In this benchmark, jQuery is used as a library to simplify DOM manipulation. The `$(selector)` function creates a jQuery object from the specified CSS selector, and the `.val()` method retrieves the value of the first element in that set. This approach can be faster and more convenient than using native JavaScript functions for DOM manipulation. **Special JS Feature/Syntax** There is no special JavaScript feature or syntax used in this benchmark. The code is straightforward and uses standard JavaScript constructs. **Other Alternatives** If you wanted to use alternative approaches, here are a few options: * **Sizzle**: Sizzle is another popular JavaScript library that provides fast and efficient CSS selector parsing. It could be used as an alternative to jQuery for DOM manipulation. * **CSS Selectors API**: The CSS Selectors API is a standard API for selecting elements in the DOM using CSS selectors. It could be used instead of jQuery or vanilla JavaScript for DOM manipulation. Keep in mind that each approach has its own trade-offs and dependencies, so choose the one that best fits your specific use case.
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