How To open Sub Menu with onclick Function and hide with onclick Function

Question

I made a sidebar nav I did this so on mouseover opens sub menu but I want it on click to open and onclick on same tab to hide it. Please check my code in this codepen Thanks.

<nav class="navigation">
  <ul class="mainmenu">
    <li><a href="">Home</a></li>
    <li><a href="">About</a></li>
    <li><a href="">Products</a>
      <ul class="submenu">
        <li><a href="">Tops</a></li>
        <li><a href="">Bottoms</a></li>
        <li><a href="">Footwear</a></li>
      </ul>
    </li>
      <li><a href="">Contact us</a></li>
  </ul>
</nav>

https://codepen.io/anon/pen/erNpYG

Thanks In Advance.

Answer 1

You can use a hidden checkbox with the general sibling combinator (~) to close and open the sub menu on click without javascript:

html, body {
    font-family: Arial, Helvetica, sans-serif;
}
.navigation {
  width: 300px;
}
.mainmenu, .submenu {
  list-style: none;
  padding: 0;
  margin: 0;
}
.mainmenu a, .mainmenu label {
  display: block;
  background-color: #CCC;
  text-decoration: none;
  padding: 10px;
  color: #000;
}
.mainmenu a:hover, .mainmenu label:hover {
    background-color: #C5C5C5;
}

/* hide the input */
.mainmenu input {
  display: none;
}
/* if a sibling checkbox is check show the menu */
.mainmenu input:checked ~ .submenu {
  display: block;
  max-height: 200px;
}
.submenu a, .submenu label {
  background-color: #999;
}
.submenu a:hover {
  background-color: #666;
}
.submenu {
  overflow: hidden;
  max-height: 0;
  transition: all 0.5s ease-out;
}

<nav class="navigation">
  <ul class="mainmenu">
    <li><a href="">Home</a></li>
    <li><a href="">About</a></li>
    <li><input type="checkbox" id="products">
      <label for="products">Products</label>
      <ul class="submenu">
        <li><a href="">Tops</a></li>
        <li><a href="">Bottoms</a></li>
        <li><a href="">Footwear</a></li>
      </ul>
    </li>
    <li><a href="">Contact us</a></li>
  </ul>
</nav>

Answer 2

This is using pure JS

CSS

.subrollin{
  overflow: hidden;
  max-height: 0;
  -webkit-transition: all 0.5s ease-in;
}
.subrollout{
  overflow: block;
  max-height: 200px;
  -webkit-transition: all 0.5s ease-out;
}

JS

var element = document.getElementsByClassName('parentmenu')[0];
element.addEventListener("click", function(e) {
var sub = document.getElementsByClassName('submenu')[0];
  if(sub.classList.contains('subrollout')){
      sub.classList.add("subrollin");    
      sub.classList.remove("subrollout");
  } else {
      sub.classList.add("subrollout");
      sub.classList.remove("subrollin");
  }
}, false);

see this codepen : https://codepen.io/anon/pen/gzpaer

Answer 3

try this using js

$(document).ready(function(){

        $('.dropdown').each(function() {
          var $dropdown = $(this);

          $(".dropdown-link", $dropdown).click(function(e) {
            e.preventDefault();
            $div = $(".submenu", $dropdown);
            $div.toggle();
            $(".submenu").not($div).hide();
            return false;
          });

        });

        $('html').click(function(){
          $(".submenu").hide();
        });

      });

html, body {
            font-family: Arial, Helvetica, sans-serif;
        }

        /* define a fixed width for the entire menu */
        .navigation {
          width: 300px;
        }

        /* reset our lists to remove bullet points and padding */
        .mainmenu, .submenu {
          list-style: none;
          padding: 0;
          margin: 0;
        }

        /* make ALL links (main and submenu) have padding and background color */
        .mainmenu a {
          display: block;
          background-color: #CCC;
          text-decoration: none;
          padding: 10px;
          color: #000;
        }

        /* add hover behaviour */
        .mainmenu a:hover {
            background-color: #C5C5C5;
        }


        /* when hovering over a .mainmenu item,
          display the submenu inside it.
          we're changing the submenu's max-height from 0 to 200px;
        */

        /*
          we now overwrite the background-color for .submenu links only.
          CSS reads down the page, so code at the bottom will overwrite the code at the top.
        */

        .submenu a {
          background-color: #999;
        }

        /* hover behaviour for links inside .submenu */
        .submenu a:hover {
          background-color: #666;
        }

        /* this is the initial state of all submenus.
          we set it to max-height: 0, and hide the overflowed content.
        */
        .submenu {
          overflow: hidden;
          display: none;
          -webkit-transition: all 0.5s ease-out;
        }

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<nav class="navigation">
      <ul class="mainmenu">
        <li><a href="">Home</a></li>
        <li class="dropdown">
          <a href="#" class="dropdown-link">About</a>
          <ul class="submenu">
            <li><a href="">Tops</a></li>
            <li><a href="">Bottoms</a></li>
            <li><a href="">Footwear</a></li>
          </ul>
        </li>
        <li class="dropdown">
          <a href="#" class="dropdown-link">Products</a>
          <ul class="submenu">
            <li><a href="">Tops</a></li>
            <li><a href="">Bottoms</a></li>
            <li><a href="">Footwear</a></li>
          </ul>
        </li>
        <li class="dropdown">
          <a href="#" class="dropdown-link">Other dropdown</a>
          <ul class="submenu">
            <li><a href="">Tops</a></li>
            <li><a href="">Bottoms</a></li>
            <li><a href="">Footwear</a></li>
          </ul>
        </li>
        <li><a href="">Contact us</a></li>
      </ul>
    </nav>

Answer 4

I hope this helps you out. I have added some jquery. Used Id for the target submenu. You can repeat it for others too. Just need to change id. I have created one example for about tab too. here on click of another tab the other tab menu will shut down.

$('.dropdown').click(function () {
  var target_id = $(this).attr('data-toggle');
  $('.dropdown-list').not(target_id).slideUp();
  $(target_id).slideToggle();
  $('.dropdown-list').not(target_id).parents('li, .icon-tab').removeClass('active');
  $('.dropdown').not(this).parents(' .icon-tab').removeClass('active');
  $(this).parents('li, .icon-tab').toggleClass('active');
});

html, body {
    font-family: Arial, Helvetica, sans-serif;
}

/* define a fixed width for the entire menu */
.navigation {
  width: 300px;
}

/* reset our lists to remove bullet points and padding */
.mainmenu, .submenu {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* make ALL links (main and submenu) have padding and background color */
.mainmenu a {
  display: block;
  background-color: #CCC;
  text-decoration: none;
  padding: 10px;
  color: #000;
}

/* add hover behaviour */
.mainmenu a:hover {
    background-color: #C5C5C5;
}


/* when hovering over a .mainmenu item,
  display the submenu inside it.
  we're changing the submenu's max-height from 0 to 200px;
*/

/*
  we now overwrite the background-color for .submenu links only.
  CSS reads down the page, so code at the bottom will overwrite the code at the top.
*/

.submenu a {
  background-color: #999;
}

/* hover behaviour for links inside .submenu */
.submenu a:hover {
  background-color: #666;
}

/* this is the initial state of all submenus.
  we set it to max-height: 0, and hide the overflowed content.
*/
.submenu {
 
 display:none;}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<nav class="navigation">
  <ul class="mainmenu">
    <li><a href="">Home</a></li>
    <li><a class="dropdown" data-toggle="#about">About</a>
      <ul class="submenu dropdown-list" id="about">
        <li><a href="">Tops</a></li>
        <li><a href="">Bottoms</a></li>
        <li><a href="">Footwear</a></li>
      </ul>
    
    </li>
    <li><a class="dropdown" data-toggle="#products">Products</a>
      <ul class="submenu dropdown-list" id="products">
        <li><a href="">Tops</a></li>
        <li><a href="">Bottoms</a></li>
        <li><a href="">Footwear</a></li>
      </ul>
    </li>
    <li><a href="">Contact us</a></li>
  </ul>
</nav>