Responsive Header Dropdown Navigation Bar With JavaScript and CSS

Category: Javascript , Menu & Navigation | October 2, 2020
Author:bedimcode
Views Total:436 views
Official Page:Go to website
Last Update:October 2, 2020
License:MIT

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Responsive Header Dropdown Navigation Bar With JavaScript and CSS

Description:

Just another responsive navbar system that collapses items in a horizontal multi-level menu into a mobile-friendly sidebar navigation with dropdowns on the mobile.

How to use it:

1. Insert a multi-level navbar into your header. It uses box icons for the toggle and dropdown icons in this example.

<header class="header">
  <a href="#" class="header__logo">Site Name</a>
  <i class='bx bx-menu header__toggle' id="header-toggle"></i>
  <nav class="nav" id="nav-menu">
    <div class="nav__content bd-grid">
      <a href="" class="nav__perfil">
        <div class="nav__img">
          Your Logo Here
        </div>
        <div>
          <span class="nav__name">CSS</span>
          <span class="nav__name">Script</span>
        </div>
      </a>
      <div class="nav__menu">
        <ul class="nav__list">
          <li class="nav__item"><a href="#" class="nav__link active">Home</a></li>
          <li class="nav__item dropdown">
            <a href="#" class="nav__link dropdown__link">About <i class='bx bx-chevron-down dropdown__icon'></i></a>
            <ul class="dropdown__menu">
              <li class="dropdown__item"><a href="#" class="nav__link">About me</a></li>
              <li class="dropdown__item"><a href="#" class="nav__link">Location</a></li>
              <li class="dropdown__item"><a href="#" class="nav__link">Studies</a></li>
            </ul>
          </li>
          <li class="nav__item"><a href="#" class="nav__link">Skills</a></li>
          <li class="nav__item dropdown">
            <a href="#" class="nav__link dropdown__link">Works <i class='bx bx-chevron-down dropdown__icon'></i></a>
            <ul class="dropdown__menu">
              <li class="dropdown__item"><a href="#" class="nav__link">Recent jobs</a></li>
              <li class="dropdown__item"><a href="#" class="nav__link">Better jobs</a></li>
              <li class="dropdown__item"><a href="#" class="nav__link">Work Awards</a></li>
            </ul>
          </li>
          <li class="nav__item"><a href="#" class="nav__link">Contact</a></li>
        </ul>
      </div>
    </div>
  </nav>
</header>

2. The main CSS for the responsive navbar.

/*===== VARIABLES CSS =====*/
:root {
  --header-height: 3rem;

  /*===== Colors =====*/
  --first-color: #5B65F5;
  --first-color-light: #C4C7F5;
  --dark-color: #0E1026;
  --white-color: #FBFBFB;

  /*===== Font and typography =====*/
  --body-font: 'Open Sans', sans-serif;
  --nav-name-font-size: 1.5rem;
  --normal-font-size: .938rem;

  /*===== z index =====*/
  --z-fixed: 100;
}

@media screen and (min-width: 768px) {
  :root {
    --nav-name-font-size: 1rem;
    --normal-font-size: 1rem;
  }
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  padding: 0 1rem;
  background-color: #FFF;
  z-index: var(--z-fixed);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header__logo {
  color: var(--dark-color);
}

.header__toggle {
  font-size: 1.7rem;
  cursor: pointer;
}

/*===== NAV =====*/
@media screen and (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    left: -100%;
    background-color: var(--first-color);
    width: 80%;
    height: 100vh;
    padding: 2rem 0;
    z-index: var(--z-fixed);
    transition: .5s;
    overflow-y: auto;
  }
}

.nav__content {
  display: flex;
  flex-direction: column;
}

.nav__perfil {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 3rem;
}

.nav__img {
  display: flex;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 1rem;
}

.nav__img img {
  width: 70px;
}

.nav__name {
  display: block;
  font-size: var(--nav-name-font-size);
  color: var(--white-color);
}

.nav__item {
  margin-bottom: 2rem;
}

.nav__link {
  color: var(--first-color-light);
}

.nav__link:hover {
  color: var(--white-color);
}

/*Show menu*/
.show {
  left: 0;
}

/*Active link*/
.active {
  color: var(--white-color);
}

/*=== Dropdown ===*/
.dropdown__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dropdown__icon {
  font-size: 1.3rem;
  transition: .5s;
}

.dropdown__menu {
  margin: 1rem 0 0 1rem;
  display: none;
}

.dropdown__item {
  margin: 1rem 0;
}

.dropdown:hover > .dropdown__menu {
  display: block;
}

.dropdown:hover .dropdown__icon {
  transform: rotate(180deg);
}

/* ===== MEDIA QUERIES=====*/
@media screen and (min-width: 576px) {
  .nav {
    width: 288px;
  }
}

@media screen and (min-width: 768px) {
  body {
    margin: 0;
  }
  .header {
    height: calc(var(--header-height) + 1rem);
  }
  .header__logo, .header__toggle {
    display: none;
  }
  .nav {
    width: 100%;
  }
  .nav__content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  .nav__perfil {
    flex-direction: row;
    text-align: initial;
    margin-bottom: 0;
  }
  .nav__img {
    width: 40px;
    height: 40px;
    margin-right: .5rem;
    margin-bottom: 0;
  }
  .nav__img img {
    width: 46px;
  }
  .nav__name {
    color: var(--dark-color);
  }
  .nav__list {
    display: flex;
    align-items: center;
  }
  .nav__item {
    margin: 0 1.5rem;
    padding: 1.4rem 0;
  }
  .nav__link {
    color: var(--dark-color);
  }
  .nav__link:hover {
    color: var(--first-color);
  }
  /*Active link new color*/
  .active {
    color: var(--first-color);
  }
  .dropdown {
    position: relative;
  }
  .dropdown__menu {
    position: fixed;
    margin: 0;
    top: calc(var(--header-height) + 1rem);
    padding: .5rem 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-radius: .5rem;
  }
  .dropdown__item {
    margin: .5rem 0;
  }
}

@media screen and (min-width: 1024px) {
  .bd-grid {
    margin-left: auto;
    margin-right: auto;
  }
}

3. The JavaScript to enable the responsive navbar.

const showMenu = (toggleId, navId)=>{
      const toggle = document.getElementById(toggleId),
      nav = document.getElementById(navId)
      if(toggle && nav){
        toggle.addEventListener('click', ()=>{
          nav.classList.toggle('show')
          toggle.classList.toggle('bx-x')
        })
      }
}
showMenu('header-toggle','nav-menu')
const navLink = document.querySelectorAll('.nav__link');   
function linkAction(){
  navLink.forEach(n => n.classList.remove('active'));
  this.classList.add('active');
}
navLink.forEach(n => n.addEventListener('click', linkAction));

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