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vanilla vs jquery speed 2
(version: 0)
nothing
Comparing performance of:
vanilla add class vs jquery add class vs vanilla find element vs jquery find element vs custom selector find element
Created:
6 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<div class="test"></div> <script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>
Script Preparation code:
function $q(selector, context) { return (context || document).querySelectorAll(selector); }
Tests:
vanilla add class
document.querySelector(".test").classList.add("next-class");
jquery add class
$(document).find(".test").addClass("next-class");
vanilla find element
document.querySelector(".test");
jquery find element
$(document).find(".test");
custom selector find element
$(".test", document);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (5)
Previous results
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Test case name
Result
vanilla add class
jquery add class
vanilla find element
jquery find element
custom selector find element
Fastest:
N/A
Slowest:
N/A
Latest run results:
No previous run results
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided JSON and explain what's being tested, compared, and analyzed. **Benchmark Definition:** The benchmark definition is a set of scripts that define how to create a microbenchmark for comparing different approaches. The script preparation code defines a jQuery-like function `$q(selector, context)` that returns an element selected by the `querySelectorAll` method. This allows users to write benchmarks using vanilla JavaScript and compare their performance with jQuery. **Test Cases:** The benchmark consists of five test cases, each testing a different approach: 1. **Vanilla Add Class**: Tests the performance of adding a class to an element using the `classList.add` method. 2. **jQuery Add Class**: Tests the performance of adding a class to an element using jQuery's `$()` function with `addClass`. 3. **Vanilla Find Element**: Tests the performance of finding an element by its CSS selector using the `querySelector` method. 4. **jQuery Find Element**: Tests the performance of finding an element by its CSS selector using jQuery's `$()` function with a context. 5. **Custom Selector Find Element**: Tests the performance of finding an element using a custom selector (not specified in the benchmark definition). **Comparison:** The benchmark compares the performance of each test case across different browsers and devices, collecting execution counts per second for each test. **Pros and Cons of Each Approach:** * **Vanilla Add Class**: Pros: Fast, lightweight, widely supported. Cons: Can be slower than jQuery due to browser differences. * **jQuery Add Class**: Pros: Simplifies DOM manipulation, widely supported. Cons: Adds extra overhead due to jQuery's size and complexity. * **Vanilla Find Element**: Pros: Fast, lightweight, flexible. Cons: Requires manual CSS selector implementation. * **jQuery Find Element**: Pros: Convenient, widely supported. Cons: Adds extra overhead due to jQuery's size and complexity. **Library:** The benchmark uses the jQuery library for its `$()` function and `addClass` method. **Special JS Features/Syntax:** None mentioned explicitly in the provided code. **Other Alternatives:** * Other CSS selectors (e.g., `querySelector`, `querySelectorAll`) could be used to find elements. * Other libraries or frameworks that provide similar functionality (e.g., React, Angular) could be used instead of jQuery. * Alternative approaches for DOM manipulation and class addition (e.g., using a library like Polymer). **Considerations:** When writing microbenchmarks, it's essential to consider factors such as: * The scope of the benchmark: Is it comparing specific use cases or general performance? * The test environment: Are multiple browsers and devices being tested? * The execution counts per second: Are they accurate and representative? * The results' significance: How do the results apply to real-world scenarios?
Related benchmarks:
jQuery 2.1.4 selector vs document.querySelector
jQuery 3.3.1 selector vs document.querySelector
jQuery 3.3.1 selector vs jQuery 2.1.4 vs document.querySelector vs document.getElementById length
test112
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