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retert
(version: 0)
etert
Comparing performance of:
eee vs 444
Created:
5 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<div class="container"> <form class="faq-search-bar__search-form js-form" role="search" action="" method="get" name="simpleSearch"> <input type="hidden" name="fdid" value="faq"/> <input class="faq-search-bar__input js-faq-search-input" id="q" name="q" autocomplete="off" /> <label for="q">dddd</label> <button type="submit" class="faq-search-bar__button"> ddddd </button> </form></div> <script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>
Script Preparation code:
var $searchContainer = $('.container'); var $searchForm = $searchContainer.find('form[name="simpleSearch"]'); var $searchField = $searchForm.find('input[name="q"]');
Tests:
eee
var $searchContainer = $('.container'); var $searchForm = $searchContainer.find('form[name="simpleSearch"]');
444
var $searchContainer = $('.container'); var $searchForm = $searchContainer.find('.js-form');
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
eee
444
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'd be happy to help explain what's being tested in the provided benchmark. **Overview** The benchmark is designed to measure the performance of different approaches for searching and submitting a form on a webpage. The test cases are focused on finding an element with the class `simpleSearch` using jQuery's `.find()` method, which returns a CSS selector string. **Options Compared** There are two options being compared: 1. **Option 1**: `$searchForm = $searchContainer.find('form[name="simpleSearch"]');` * This option uses a direct descendant combinator (`>`) to find the `form` element that has a `name` attribute equal to `"simpleSearch"`. 2. **Option 2**: `$searchForm = $searchContainer.find('.js-form');` * This option uses a class selector (`.`) with the CSS class `js-form`, which is not explicitly mentioned in the HTML code. **Pros and Cons** 1. **Option 1**: Direct descendant combinator * Pros: + More explicit and readable, as it clearly states the intention of finding an element with a specific name attribute. * Cons: + May be slower due to the overhead of parsing the `name` attribute. 2. **Option 2**: Class selector * Pros: + Faster, as it only needs to check for the presence of the class without parsing any attributes. * Cons: + Less readable and maintainable, as it relies on an implicit convention (using classes to denote semantic meaning). **Library and Purpose** The benchmark uses jQuery, a popular JavaScript library that provides DOM manipulation and event handling functionality. In this case, jQuery's `.find()` method is used to search for elements in the DOM. **Special JS Feature or Syntax** There doesn't seem to be any specific JavaScript feature or syntax being tested here. The code only uses standard JavaScript syntax and jQuery-specific methods like `.find()`. **Other Alternatives** If you were to rewrite this benchmark, you could also consider using other approaches, such as: 1. Using `querySelector` or `querySelectorAll` instead of `.find()`, which are part of the CSSOM (CSS Object Model). 2. Using a more explicit and maintainable approach, such as using ` document.querySelector` with a CSS selector that explicitly targets the desired element. 3. Using a library like Sizzle.js or SelectJS, which provide faster and more efficient DOM querying capabilities. In terms of alternatives to jQuery, you could use other JavaScript libraries like Lodash or Ramda, which provide functional programming utilities and DOM manipulation capabilities. Overall, this benchmark provides a good opportunity to test and compare the performance of different approaches for searching and submitting forms on web pages.
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Class vs Attribute selector 2
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jQuery $(selector, context) VS $(context).find(selector) VS Vanilla querySelector
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