Simple Dropdown List in JavaScript

Simple Dropdown List in JavaScript
Code Snippet:Simple dropdown
Author: Marcos Vinicius de Oliveira Pereira
Published: January 11, 2024
Last Updated: January 22, 2024
Downloads: 2,959
License: MIT
Edit Code online: View on CodePen
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This JavaScript code snippet helps you to create a simple dropdown list with icons. It converts the unordered lists to toggle dropdown navigation. You can integrate this to create a simple dropdown navigation menu.

How to Create a Simple Dropdown List in JavaScript

1. First of all, create the HTML structure as follows:

  <div class="container">
  <div class="dropdown">
    
    <span class="label">Account</span>    
    <span class="burgerbutton fa fa-bars"></span>
    
    <ul class="items-list">
        <li class="item">Profile <span class="iconitem fa fa-user"></span></li>
        <li class="item">Calendar <span class="iconitem fa fa-calendar"></span></li>
        <li class="item">Console <span class="iconitem fa fa-terminal"></span></li>
    </ul>
  
  </div> 
</div>

2. After that, add the following CSS styles to your project:

@import url("https://fonts.googleapis.com/css?family=Inconsolata");
@import url('https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css');
body { padding: .5rem; background: #f78a78; font-family: Inconsolata; } .container { margin: 0 auto; max-width: 250px; } .dropdown { box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24); border-radius: 3px; display: flex; position: relative; justify-content: space-between; color: #5a3b34; box-sizing: border-box; font-weight: bold; border: 0; padding: 1rem; background: #fff; } .dropdown > .burgerbutton { cursor: pointer; } .items-list { box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24); width:250px; border-radius: 3px; position: absolute; background: #fff; padding: .5rem 0; top: 3.5rem; left: 0; list-style: none; display: none; } .items-list > .item { display: flex; box-sizing: border-box; justify-content: space-between; padding: 1rem; } .items-list > .item:hover { background: #f9ada0; color: white; } .items-list > .item:hover > .iconitem { color: white; } .items-list.open { display: block; } .items-list::after { content: ''; position: absolute; right: 15px; top: -10px; width: 0; height: 0; border-left: 10px solid transparent; border-right: 10px solid transparent; border-bottom: 10px solid #fff; clear: both; }

3. Finally, add the following JavaScript code and done.

window.addEventListener('DOMContentLoaded', () => {

  const $dropdown = document.querySelector('.dropdown');
  const $burgerButton = $dropdown.querySelector('.burgerbutton');
  const $containerItems = $dropdown.querySelector('.items-list');

  $burgerButton.addEventListener('click', ($event) =>
  $containerItems.classList.toggle('open'));

  document.addEventListener('click', ($event) =>
  $event.target !== $burgerButton &&
  $containerItems.classList.remove('open'));

});

That’s all! hopefully, you have successfully integrated this dropdown list code snippet into your project. If you have any questions or are facing any issues, please feel free to comment below.

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