Multi-tiered Dynamic JS Menu

README.markdown

Multi-tiered Dynamic JS Menu

This was made because I disliked the amount of scrolling needed when viewing menu items. The goal was to make an easy and efficient way for the user to view simple data without excessive scrolling.

• Solution uses only vanilla JavaScript

See a live demo.

This was exported by Jeffrey on CodePen.

License.

amenu.js

// UI CONTROLLER
const UIController = (function() {

  const menuHeaders = document.querySelectorAll('.menu-header');
  const menuNavItems = document.querySelectorAll('.menu-nav-item');
  const menuTables = document.querySelectorAll('.table-wrapper');

  function resetNavItems() {
    menuNavItems.forEach(function(item) {
      item.classList.remove('active');
      item.classList.add('hidden');
    });
  }

  function hideTables() {
    menuTables.forEach(function(item) {
      item.classList.add('hidden');
    });
  }

  return {

    changeMenu: function() {

      menuHeaders.forEach(function(check) {
        check.addEventListener('click', menuClicked);
      });

      function menuClicked(event) {
        let clicked;
        clicked = Array.from(menuHeaders).indexOf(event.target);

        menuHeaders.forEach(function(item) {
          item.classList.remove('active');
          menuHeaders[clicked].classList.add('active');
          
          if (clicked === 0) {
            resetNavItems();
            hideTables();
            menuTables[clicked].classList.remove('hidden');
            menuNavItems[clicked].classList.add('active');
            menuNavItems[clicked].classList.remove('hidden');
            menuNavItems.item(1).classList.remove('hidden');
            menuNavItems.item(2).classList.remove('hidden');
            menuNavItems.item(3).classList.remove('hidden');
           
          } else {
            resetNavItems();
            hideTables();
            menuNavItems[clicked+3].classList.add('active');
            menuNavItems[clicked+3].classList.remove('hidden');
            menuTables[clicked+3].classList.remove('hidden');
            menuNavItems.item(5).classList.remove('hidden');
            menuNavItems.item(6).classList.remove('hidden');
            menuNavItems.item(7).classList.remove('hidden');
            menuNavItems.item(8).classList.remove('hidden');

          }

        });

      }
    },

    changeSubMenu: function() {

      menuNavItems.forEach(function(check) {
        check.addEventListener('click', menuNavClicked);
      });
           
      function menuNavClicked(event) {
        let clicked; //track node index of clicked btn
        clicked = Array.from(menuNavItems).indexOf(event.target);

          //remove 'active' class from all nav items
          menuNavItems.forEach(function(item) {
            item.classList.remove('active');
          });

          //readd 'active' class to clicked nav item
          menuNavItems[clicked].classList.add('active');
          hideTables();
          menuTables[clicked].classList.remove('hidden');
      }
    }
  };

})();

// GLOBAL CONTROLLER
const controller = (function(UICtrl) {

  const setupEventListeners = function() {

    UICtrl.changeMenu();
    UICtrl.changeSubMenu();

  };

  return {
    init: function() {
      console.log('App has started.');
      setupEventListeners();
    }
  };

})(UIController);

controller.init();

index.html

<section class="two">
      <div class="inner">

        <a class="active menu-header-0 menu-header">Food</a>
        <a class="menu-header-1 menu-header">Drink</a>

        <div class="menu-nav">
          <a class="menu-nav-item active">Little Bites</a>
          <a class="menu-nav-item">Flatbreads</a>
          <a class="menu-nav-item">Sandwiches</a>
          <a class="menu-nav-item">Salads</a>
          <a class="menu-nav-item hidden">Sparkling</a>
          <a class="menu-nav-item hidden">Reds</a>
          <a class="menu-nav-item hidden">Whites</a>
          <a class="menu-nav-item hidden">Draft Beer</a>
          <a class="menu-nav-item hidden">Bottle/Can Beer</a>
          <a class="menu-nav-item hidden">Beverages</a>
        </div>
        <div class="menu">
          <div class="table-wrapper">
            <h5 class="h-alt">Little Bites</h5>
            <table>
              <tbody>
                <tr>
                  <td>Pretzel Bites with warm Spinach &amp; Fresh Jalapeno Dip</td>
                  <td>7</td>
                </tr>
                <tr>
                  <td>Pretzel Bites with House-made Mustard</td>
                  <td>6</td>
                </tr>
                <tr>
                  <td>Charcuterie Board with Cured Meats, Cheeses &amp; more</td>
                  <td>12</td>
                </tr>
                <tr>
                  <td>Avocado Hummus served with Warm Bread &amp; Veggies</td>
                  <td>9</td>
                </tr>
              </tbody>
            </table>
          </div>
          <div class="table-wrapper hidden">
            <h5 class="h-alt">Flatbreads</h5>
            <table>
              <tbody>
                <tr>
                  <td>Proscuitto, Fig Butter, Gorgonzola &amp; Arugula Flatbread</td>
                  <td>10</td>
                </tr>
                <tr>
                  <td>Spanish Chorizo Flatbread</td>
                  <td>10</td>
                </tr>
                <tr>
                  <td>Triple Cheese Flatbread</td>
                  <td>9</td>
                </tr>
              </tbody>
              <tfoot>
                <tr>
                  <td colspan="2">Add a Salad (Mixed Greens/Arugula) to any Flatbread for 3.50</td>
                </tr>
              </tfoot>
            </table>
          </div>
          <div class="table-wrapper hidden">
            <h5 class="h-alt">Sandwiches</h5>
            <table>
              <tbody>
                <tr>
                  <td>Italian Sub with Salami, Sopresetta, Provolone, Greens, Pepperoncini &amp; Italian Dressing</td>
                  <td>9</td>
                </tr>
                <tr>
                  <td>Turkey Pesto Melt with Sundried Tomatoes</td>
                  <td>9</td>
                </tr>
                <tr>
                  <td>Grilled Cheese (Good ole American or Cheddar)</td>
                  <td>8</td>
                </tr>
              </tbody>
              <tfoot>
                <td colspan="1">
                  Sandwiches served with Gourmet Chips. Add avocado for 2.50 or salad for 3.50
                </td>
              </tfoot>
            </table>
          </div>
          <div class="table-wrapper hidden">
            <h5 class="h-alt">Salads</h5>
            <table>
              <tbody>
                <tr>
                  <td>Arugula, Fennel &amp; Pear Salad with Avocado, Walnuts &amp; Lemon Basil Dressing</td>
                  <td>10</td>
                </tr>
                <tr>
                  <td>Burrata Salad with Mixed Dark Greens, Olive Oil, Balasmic</td>
                  <td>12</td>
                </tr>
              </tbody>
              <tfoot>
                <td colspan="1">
                  Salads Gluten free and Vegan
                </td>
              </tfoot>
            </table>
          </div>

          <div class="table-wrapper hidden">
            <table>
              <thead>
                <tr>
                  <th>
                    <h5 class="h-alt">Sparkling</h5>
                  </th>
                  <th>Glass</th>
                  <th>Bottle</th>
                </tr>
              </thead>
              <tbody>
                <tr>
                  <td>Opera Prima Brut &nbsp;</td>
                  <td>7</td>
                  <td>21</td>
                </tr>
                <tr>
                  <td>Chandon Split Brut &nbsp;</td>
                  <td>8</td>
                  <td>&ndash;</td>
                </tr>
              </tbody>
            </table>
          </div>
          <div class="table-wrapper hidden">
            <table>
              <thead>
                <tr>
                  <th>
                    <h5 class="h-alt">Reds</h5>
                  </th>
                  <th>Glass</th>
                  <th>Bottle</th>
                </tr>
              </thead>
              <tbody>
                <tr>
                  <td>Bee's Box Pinot Noir
                    <br>
                    <span>(2016) Geyserville, CA</span>
                  </td>
                  <td>12.50</td>
                  <td>42</td>
                </tr>
                <tr>
                  <td>Erath Pinot Noir
                    <br>
                    <span>(2015) Willamette Valley, OR</span>
                  </td>
                  <td>10</td>
                  <td>35</td>
                </tr>
                <tr>
                  <td>Esser Cabernet Sauvignon
                    <br>
                    <span>(2014) Monterey, CA</span>
                  </td>
                  <td>11.50</td>
                  <td>39</td>
                </tr>
                <tr>
                  <td>Line 39 Excursion Red Blend
                    <br>
                    <span>(2016) Napa Valley, Lodi, CA</span>
                  </td>
                  <td>7</td>
                  <td>24</td>
                </tr>
                <tr>
                  <td>Newton Cabernet Sauvignon
                    <br>
                    <span>(2015) Napa Valley, CA</span>
                  </td>
                  <td>13</td>
                  <td>42</td>
                </tr>
                <tr>
                  <td>Shannon Ridge Wrangler Red
                    <br>
                    <span>(2015) Lake County, CA</span>
                  </td>
                  <td>10</td>
                  <td>35</td>
                </tr>
                <tr>
                  <td>Barnard Griffin Rose' Sangiovese
                    <br>
                    <span>(2016) Richland, WA</span>
                  </td>
                  <td>12</td>
                  <td>40</td>
                </tr>
              </tbody>
            </table>
          </div>
          <div class="table-wrapper hidden">
            <table>
              <thead>
                <tr>
                  <th>
                    <h5 class="h-alt">Whites/Rose</h5>
                  </th>
                  <th>Glass</th>
                  <th>Bottle</th>
                </tr>
              </thead>
              <tbody>
                <tr>
                  <td>Smoke Tree Chardonnay
                    <br>
                    <span>(2015) Sonoma, CA</span>
                  </td>
                  <td>8</td>
                  <td>26</td>
                </tr>
                <tr>
                  <td>Josh Cellars Chardonnay
                    <br>
                    <span>(2016) Napa Valley, CA</span>
                  </td>
                  <td>8.50</td>
                  <td>28</td>
                </tr>
                <tr>
                  <td>Bianchi Chardonnay
                    <br>
                    <span>(2016) Paso Robles, CA</span>
                  </td>
                  <td>14.50</td>
                  <td>49</td>
                </tr>
                <tr>
                  <td>Esser Sauvignon Blanc
                    <br>
                    <span>(2014) Monterey, CA</span>
                  </td>
                  <td>10</td>
                  <td>33</td>
                </tr>
                <tr>
                  <td>Dry Creek Sauvignon Blanc
                    <br>
                    <span>(2017) Sonoma, CA</span>
                  </td>
                  <td>11</td>
                  <td>39</td>
                </tr>
                <tr>
                  <td>Caposaldo Pinot Grigio
                    <br>
                    <span>(2016) Geyserville, CA</span>
                  </td>
                  <td>9</td>
                  <td>30</td>
                </tr>
                <tr>
                  <td>Barnard Griffin Rose' Sangiovese
                    <br>
                    <span>(2016) Richland, WA</span>
                  </td>
                  <td>12</td>
                  <td>40</td>
                </tr>
              </tbody>
            </table>
          </div>
          <div class="table-wrapper hidden">
            <table>
              <thead>
                <tr>
                  <th>
                    <h5 class="h-alt">Beer-Craft &amp; Draft</h5>
                  </th>
                </tr>
              </thead>
              <tbody>
                <tr>
                  <td>Guinness</td>
                  <td>8</td>
                </tr>
                <tr>
                  <td>4 Sons Sour Cherry K</td>
                  <td>7</td>
                </tr>
                <tr>
                  <td>4 Sons Surf City Pale Ale</td>
                  <td>7</td>
                </tr>
                <tr>
                  <td>Barley Forge Patsy</td>
                  <td>7</td>
                </tr>
                <tr>
                  <td>Elysian Space Dust</td>
                  <td>7</td>
                </tr>
                <tr>
                  <td>Firestone Luponic</td>
                  <td>7</td>
                </tr>
                <tr>
                  <td>Golden Road Mango Cart</td>
                  <td>7</td>
                </tr>
                <tr>
                  <td>Golden State Mighty Dry Cider</td>
                  <td>7</td>
                </tr>
                <tr>
                  <td>Kona Long Board</td>
                  <td>7</td>
                </tr>
                <tr>
                  <td>Stella</td>
                  <td>7</td>
                </tr>
                <tr>
                  <td>Coors Light</td>
                  <td>5</td>
                </tr>
              </tbody>
            </table>
          </div>
          <div class="table-wrapper hidden">
            <table>
              <thead>
                <tr>
                  <th>
                    <h5 class="h-alt">Beer-Bottle/Can</h5>
                  </th>
                </tr>
              </thead>
              <tbody>
                <tr>
                  <td>Budweiser</td>
                  <td>4.50</td>
                </tr>
                <tr>
                  <td>Bud Light</td>
                  <td>4.50</td>
                </tr>
                <tr>
                  <td>Coors Light</td>
                  <td>4.50</td>
                </tr>
                <tr>
                  <td>Michelob Ultra Light</td>
                  <td>4.50</td>
                </tr>
                <tr>
                  <td>M Pabst Blue Ribbon (Can)</td>
                  <td>4</td>
                </tr>
                <tr>
                  <td>Heineken</td>
                  <td>5.50</td>
                </tr>
                <tr>
                  <td>Corona</td>
                  <td>5.50</td>
                </tr>
                <tr>
                  <td>Modelo</td>
                  <td>5.50</td>
                </tr>
                <tr>
                  <td>Sam Adams</td>
                  <td>5.50</td>
                </tr>
                <tr>
                  <td>Angry Orchard Rose</td>
                  <td>5.50</td>
                </tr>
              </tbody>
            </table>
          </div>
          <div class="table-wrapper hidden">
            <table>
              <thead>
                <tr>
                  <th>
                    <h5 class="h-alt">Beverages</h5>
                  </th>
                </tr>
              </thead>
              <tbody>
                <tr>
                  <td>Ice Tea</td>
                  <td>3</td>
                </tr>
                <tr>
                  <td>Lemonade</td>
                  <td>3</td>
                </tr>
                <tr>
                  <td>Coke</td>
                  <td>3</td>
                </tr>
                <tr>
                  <td>Diet Coke</td>
                  <td>3</td>
                </tr>
                <tr>
                  <td>Sprite</td>
                  <td>3</td>
                </tr>
                <tr>
                  <td>Benedetto Sparkling Water</td>
                  <td>4</td>
                </tr>
                <tr>
                  <td>Bottled Water</td>
                  <td>1</td>
                </tr>
              </tbody>
            </table>
          </div>

        </div>
        <!-- menu -->

      </div>
     
    </section>

style.sass

// variables
//font & fallback
$font-serif: 'IBM Plex Serif', 'Laila', Georgia, serif
$font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Roboto', 'Segoe UI', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans','Helvetica Neue', Arial, sans-serif

//colors
$gold: #d2ac67
$yellow: #DFCF56
$dark: #1A1E1A
$green: #006741
$green-light: #2D8D55
$orange: #B05A2E
$brown: #302A23
$bkg-alt: #f9f4df
$darkish: #707875
$gray: #CACFCC
$bkg: #F3F4F1
$bkg2: #fdfbfb

//nav
$nav-font-color: $darkish

// reset
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, section, summary, time, mark, audio, video, .row
  margin: 0
  padding: 0
  border: 0
  vertical-align: baseline

article, footer, header, nav, section 
  display: block

// box & basic
*, *:before, *:after
  box-sizing: border-box
  -moz-box-sizing: border-box
  -webkit-box-sizing: border-box

html
  width: 100%
  height: 100%

body 
  background-color: $bkg
  margin: 0 auto
  padding-top: 1rem
  letter-spacing: 0.005rem
  font-size: 1rem
  font-feature-settings: kern
  -ms-font-feature-settings: kern
  -o-font-feature-settings: kern
  font-kerning: normal
  text-rendering: optimizeLegibility
  -webkit-font-smoothing: antialiased
  -osx-font-smoothing: grayscale
  -webkit-text-size-adjust: 100%
  scroll-behavior: smooth

html, body
  min-width: 320px
  font-size: 15px

body, input, select, textarea 
  font-family: $font-sans
  color: $dark
  font-weight: 400
  line-height: 1.5

a, a:visited
  -moz-transition: color 0.2s ease-in-out, border-style 0.2s ease-in-out
  -webkit-transition: color 0.2s ease-in-out, border-color 0.2s ease-in-out
  -ms-transition: color 0.2s ease-in-out, border-style 0.2s ease-in-out
  transition: color 0.2s ease-in-out, border-style 0.2s ease-in-out
  border-bottom: 1px dotted $darkish
  color: transparentize($dark, 0.3)
  text-decoration: none
  &:hover
    color: transparentize($dark, 0.15)
    text-decoration: none
    border-bottom-style: solid

strong, b 
  color: $dark
  font-weight: 600

em
  font-style: italic

p
  margin-top: 1rem
  margin-bottom: 1rem
  color: transparentize($dark, 0.3)
  max-width: 40rem
  &:first-of-type
    margin-top: 0

h1, h2, h3, h4, h5, h6
  color: transparentize($dark, 0.2)
  font-family: $font-serif
  font-weight: 700
  letter-spacing: 0.055rem
  margin-left: auto
  margin-right: auto
  max-width: 40rem

h1
  font-size: 2rem
  margin-top: 2rem
  margin-bottom: 2rem
  letter-spacing: 0.01rem
h2
  font-size: 1.4rem
  //margin-left: 0
  margin-top: 1.35rem
  margin-bottom: 1.35rem
h3
  font-size: 1.15rem
  margin-top: 1rem
  margin-bottom: 1rem
  &.h-alt
    font-size: 1.1rem
    font-family: $font-sans
    color: $green
    font-weight: 500
    letter-spacing: 0.5px
    margin-bottom: 1.5rem
    text-align: center


h4, h5, h6
  font-size: 1.05rem
  //letter-spacing: 0.025rem
  margin-bottom: 1rem
  font-weight: 500
  font-family: $font-serif
  &.h-alt
    font-size: 1rem
    font-family: $font-sans
    color: $green
    font-weight: 500
    letter-spacing: 0.025rem
    margin-bottom: 1.5rem
    text-align: center

h4
  font-size: 1.1rem
  &.h-alt
    display: inline-block
    font-size: 1.15rem
    color: transparentize($brown, 0.2)
    font-weight: 600
    text-align: center

h6
  font-size: 0.9rem

h1 a, h2 a, h3 a, h4 a, h5 a, h6 a
  color: inherit
  border-bottom: 0
  
//reusables
.inner
  max-width: 69rem
  margin: 0 auto
  //margin: 1rem auto
  background: transparent
  padding: 1rem 1.5rem
@media screen and (min-width: 736px)
  .h-alt
    margin-bottom: 3rem
  .inner
    padding: 2.5rem

//table
.table-wrapper
  overflow-x: auto
  -webkit-overflow-scrolling: touch
table
  margin: 0 0 1.5rem 0
  width: 100%
  display: block
  border-collapse: separate
  border-spacing: 0
  & tbody tr
    border: solid 1px transparentize($dark, 0.75)
    border-left: 0
    border-right: 0
    &:nth-child(2n + 1)
      background-color: transparentize($dark, 0.95)
  & td
    padding: 1rem
  & th
    color: transparentize($dark, 0.2)
    font-size: 0.95rem
    font-weight: 600
    text-align: left
    padding: 0 1rem
  & thead
    border-bottom: solid 2px transparentize($dark, 0.75)
  & tfoot
    border-top: solid 2px transparentize($dark, 0.75)
  &.alt
    border-collapse: separate
    border-spacing: 0
    & tbody tr
      border: solid 1px transparentize($dark, 0.75)
      & td
        border-left: solid 1px transparentize($dark, 0.75)
        border-bottom: solid 1px transparentize($dark, 0.75)
        &:last-child
          border-right: solid 1px transparentize($dark, 0.75)
      &:first-child td
        border-top: solid 1px transparentize($dark, 0.75)
      &:last-child td
        border-bottom: solid 1px transparentize($dark, 0.75)
    & thead
      border-bottom: 0
    & tfoot
      border-top: 0

//page
.two
  padding: 1rem 0
  margin: 2rem auto
  max-width: 80rem
  background: lighten($gray, 10%)
  text-align: center
  position: relative

//menu
.events
  text-align: left

.menu
  width: 100%
  text-align: center
  margin: 1.5rem auto 0 auto
  display: flex
  flex-direction: column
  justify-content: center
  &:last-of-type
    margin-top: 0
  > .table-wrapper
    max-width: 35rem
    text-align: left
    margin-right: auto
    margin-left: auto
    overflow: hidden
    max-height: 50rem
    transition: max-height 0.5s ease-in-out
    tfoot 
      td
        padding-top: 0.5rem
        font-size: 0.9rem
        color: transparentize($dark, 0.3)
    &.hidden
      max-height: 0
      transition: max-height 0.3s ease-in-out
  &.events
    .table-wrapper
      max-width: unset
      td
        max-width: 40rem
        &:first-of-type
          font-weight: 500

//menu nav
.menu-nav
  margin-bottom: 1.5rem

.menu-header-0
  margin-right: 1.5rem
.menu-header-1
  margin-left: 1.5rem
.menu-header
  border-bottom: 2px solid transparent
  cursor: pointer
  transition: all 0.2s ease-in-out
  display: inline-block
  font-size: 1.15rem
  color: transparentize($brown, 0.2)
  font-weight: 600
  text-align: center
  margin-bottom: 1rem  
  &.active, &:hover
    border-bottom-color: transparentize($brown, 0.2)

.menu-nav-item
  display: inline-block
  margin-right: 0.75rem
  margin-bottom: 0.5rem
  border-bottom: 1.1px solid transparent
  font-size: 1.05rem
  cursor: pointer
  transition: all 0.2s ease-in-out
  &.hidden
    display: none
  &:last-of-type
    margin-right: 0
  &.active, &:hover
    color: $dark
    border-bottom-color: transparentize($dark, 0.1)