Press "Enter" to skip to content

Free Vanilla JS Accordion Menu Nested With Vanilla JS

🚀 Vanilla JS Accordion List – No automation building tools. Copy / Paste and Ready to Use. A multi-level animated accordion menu built with a nested navigation menu and JavaScript vanilla. CSS and JS are embedded within the HTML file. 

nested accordion, nested accordion jquery, nested accordion html, nested accordion javascript, nested accordion bootstrap

Requirements
Browser. No Node.js, Spinning, NPM, Webpack, Gulp, etc …

Quick start: install
Copy/paste and use.

How to make use of it:

1. The required markup structure for the nested accordion menu.

<div class="accordion-menu-wrapper active" id="menu-parent" data-accordion-wrapper>
  <nav role="navigation" class="accordion-menu">
    <ul class="accordion-menu__list">
      <li class="accordion-menu__item">
        <a
          href="#menu-1"
          class="accordion-menu__link"
          data-accordion-menu>
          <span>
            Menu 1 Dropdown
          </span>
          <span class="accordion-menu__icon"></span>
        </a>
        <ul class="accordion-menu__sublist accordion-menu--hidden" id="menu-1">
          <li>
            <a href="#" class="accordion-menu__sublink">
              Child Menu 1
            </a>
          </li>
          <li>
            <a
              href="#menu-1-1"
              class="accordion-menu__link"
              data-accordion-menu>
              <span>
                Child Menu 2 Dropdown
              </span>
              <span class="accordion-menu__icon"></span>
            </a>
            <ul class="accordion-menu__sublist accordion-menu--hidden" id="menu-1-1">
              <li>
                <a href="#" class="accordion-menu__sublink">
                  Grand Child Menu 1
                </a>
              </li>
              <li>
                <a href="#" class="accordion-menu__sublink">
                  Grand Child Menu 2
                </a>
              </li>
            </ul>
          </li>
        </ul>
      </li>
      <li class="accordion-menu__item">
        <a
          href="#menu-2"
          class="accordion-menu__link"
          data-accordion-menu>
          <span>
            Menu 2 Dropdown
          </span>
          <span class="accordion-menu__icon"></span>
        </a>
        <ul class="accordion-menu__sublist accordion-menu--hidden" id="menu-2">
          <li>
            <a href="#" class="accordion-menu__sublink">
              Child Menu 2
            </a>
          </li>
          <li>
            <a
              href="#menu-2-1"
              class="accordion-menu__link"
              data-accordion-menu>
              <span>
                Child Menu 2 Dropdown
              </span>
              <span class="accordion-menu__icon"></span>
            </a>
            <ul class="accordion-menu__sublist accordion-menu--hidden" id="menu-2-1">
              <li>
                <a href="#" class="accordion-menu__sublink">
                  Grand Child Menu 1
                </a>
              </li>
              <li>
                <a href="#" class="accordion-menu__sublink">
                  Grand Child Menu 2
                </a>
              </li>
            </ul>
          </li>
        </ul>
      </li>
      <li class="accordion-menu__item">
        <a href="#" class="accordion-menu__link">
          Submenu item
        </a>
      </li>        
    </ul>
  </nav>
</div>

2. The primary styling of the nested accordion menu.

.accordion-menu--hidden {
  display: none;
}    

.accordion-menu__list,
.accordion-menu__sublist {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

.accordion-menu__list {
  border-top: 1px #eee solid;
}

.accordion-menu__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px #eee solid;
}

.accordion-menu__icon {
  position: relative;
  width: 16px;
  height: 16px;
  transition: .2s all;     
}

.accordion-menu__icon:before,
.accordion-menu__icon:after {
  content: "";
  display: block;
  background-color: #333;
  position: absolute;   
  top: 50%; left: 0;
  transition: .35s;
  width: 100%;
  height: 2px; 
}

.accordion-menu__icon:before {
  transform: translateY(-50%);
}

.accordion-menu__icon:after {
  transform: translateY(-50%) rotate(90deg);
}

.accordion-menu--active .accordion-menu__icon:before {
  transform: translateY(-50%) rotate(-90deg);
  opacity: 0;
}

.accordion-menu--active .accordion-menu__icon:after {
  transform: translateY(-50%) rotate(0);
}

.accordion-menu__sublist {
  margin-left: 1.25rem;
}

.accordion-menu__sublink {
  display: block;
  padding-top: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px #eee solid;
}

.accordion-menu-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  overflow: scroll;
}

.accordion-menu-nav__link:not(:last-child) {
  margin-right: 1rem;
}

.accordion-menu-wrapper {
  display: none;
}

.accordion-menu-wrapper.active {
  display: block;
}

3. The most important function.

var accordionMenu = function () {
    /**
    * Element.closest() polyfill
    * https://developer.mozilla.org/en-US/docs/Web/API/Element/closest#Polyfill
    */
    if (!Element.prototype.closest) {
      if (!Element.prototype.matches) {
        Element.prototype.matches = Element.prototype.msMatchesSelector || Element.prototype.webkitMatchesSelector;
      }
      Element.prototype.closest = function (s) {
        var el = this;
        var ancestor = this;
        if (!document.documentElement.contains(el)) return null;
        do {
          if (ancestor.matches(s)) return ancestor;
          ancestor = ancestor.parentElement;
        } while (ancestor !== null);
        return null;
      };
    }
    // Listen for click on the document
    // Accordiom menu functionality
    document.addEventListener('click', function (event) {
      // Bail if our clicked element doesn't match
      var trigger = event.target.closest('[data-accordion-menu]');
      if (!trigger) return;
      // Get the target content
      var target = document.querySelector(trigger.hash);
      if (!target) return;
      // Prevent default link behavior
      event.preventDefault();
      // Toggle our content
      target.classList.toggle('accordion-menu--hidden');
      // Toggle trigger class
      trigger.classList.toggle('accordion-menu--active');
    });
    // Listen for click on the document
    // Accordion parent menu functionality
    document.addEventListener('click', function (event) {
      // Bail if our clicked element doesn't match
      var trigger = event.target.closest('[data-accordion-menu-nav]');
      if (!trigger) return;
      // Get the target content
      var target = document.querySelector(trigger.hash);
      if (!target) return;
      // Prevent default link behavior
      event.preventDefault();
      // If the content is already expanded, collapse it and quit
      if (target.classList.contains('active')) {
        target.classList.remove('active');
        return;
      }
      // Get all open accordion content, loop through it, and close it
      var accordions = document.querySelectorAll('[data-accordion-wrapper]');
      for (var i = 0; i < accordions.length; i++) {
        accordions[i].classList.remove('active');
      }
      // Toggle our content
      target.classList.toggle('active');
    });
};

4. Activate the nested accordion menu.

accordionMenu();

Nested Accordion Menu, JS Accordion Menu Nested Plugin/Github, nested accordion material ui


See Demo And Download

Official Website(tomaszbujnowicz): Click Here

This superior jQuery/javascript plugin is developed by tomaszbujnowicz. For extra Advanced Usages, please go to the official website.

Be First to Comment

    Leave a Reply

    Your email address will not be published. Required fields are marked *