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How to Toggle Classes Using Pure JavaScript and Convert jQuery Code to Vanilla JS?
How to Toggle Classes Using Pure JavaScript and Convert jQuery Code to Vanilla JS?
Oct 21, 2024 am 10:50 AM
Toggling Classes in Pure JavaScript: Convert jQuery to Vanilla JS
jQuery has been a popular JavaScript library for simplifying common tasks, including manipulating DOM elements. However, using pure JavaScript offers greater control and flexibility. This article aims to convert the provided jQuery code to pure JavaScript, enabling the toggling of element classes.
jQuery Code for Reference
<code class="javascript">$('.btn-navbar').click(function() {
$('.container-fluid:first').toggleClass('menu-hidden');
$('#menu').toggleClass('hidden-phone');
if (typeof masonryGallery != 'undefined') masonryGallery();
});</code>
Pure JavaScript Solution
The primary requirement is to toggle the menu-hidden and hidden-phone classes for the respective elements. This can be achieved using the classList.toggle() method.
<code class="javascript">const btnNavbar = document.querySelector('.btn-navbar'); // Update selector to query by class
const menu = document.querySelector('.menu'); // Update selector to query by class
const containerFluid = document.querySelector('.container-fluid');
btnNavbar.addEventListener('click', () => {
containerFluid.classList.toggle('menu-hidden');
menu.classList.toggle('hidden-phone');
if (typeof masonryGallery != 'undefined') masonryGallery();
});</code>
Browser Compatibility
classList.toggle() is a standard feature supported by modern browsers. For older browsers, consider using classList.js, a polyfill that provides compatibility.
Additional Considerations
- Avoid using IDs as selectors, as they can leak globals into the JS window object.
- Use a class-based selector for higher specificity and performance.
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