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Hide div display using javascript css

I want to slowly hide or show my div. which should be the logic in the script below. When I clicked on the button, the existing div hide and another div show. somebody please answer. Here is my code snippet. 

  function myFunction() {
    var x = document.getElementById('before-e');
    var y = document.getElementById('after-e');
    if (x.style.display === 'none') {
        x.style.display = 'block';
    } else {
        y.style.display = 'block';
        x.style.display = 'none';
    }

}
      

        
        
        
      

    
.favorites-right-before-expand {
    background-color: #5642BE;
    color: #fff;
    height: 155px;
    width: 106px;
    margin-left: -8px;
}
.matched-body {
    padding-top: 40px;
}
.per {
    margin-bottom: -8px;
}
.prog-percent {
    margin-left: 9px;
    font-size: 16px;
}
.prog-percent {
    margin-left: 9px;
    font-size: 16px;
}
.my-progress {
    height: 10px;
    margin-bottom: 0px;
    border-radius: 0px;
    margin-left: 9px;
    margin-right: 15px;
}
.favorites-right-before-expand button {
    color: #D6DA22;
    font-size: 8px;
    text-decoration: underline;
    margin-left: 2px;
    background: none;
    border-style: none;
}
.per {
    margin-bottom: -8px;
}
.prog-percent-after {
    margin-left: 21px;
    font-size: 16px;
}
.prog-percent-after {
    margin-left: 21px;
    font-size: 16px;
}
.my-progress-after {
    height: 10px;
    margin-bottom: 0px;
    border-radius: 0px;
    margin-left: 21px;
    margin-right: 42px;
}
.expand ul {
    list-style: none;
    color: #D6DA22;
    font-size: 10px;
    margin-left: -17px;
    position: relative;
    margin-top: 7px;
}
.favorites-right {
    background-color: #5642BE;
    color: #fff;
    height: 180px;
    width: 142px;
    padding-top: 13px;
}
      

        
        
        
      

    
<div class="favorites-right" style="display: none;" id="after-e">
                <div class="prog-percent-after per">80%</div>
                <div class="prog-percent-after"> MATCHED</div>
              <div class="progress my-progress-after">
                <div class="progress-bar" role="progressbar" aria-valuenow="80" aria-valuemin="0" aria-valuemax="100" style="width:80%">
                </div>
              </div>
               <div class="expand">
                <ul>
                  <li> You both do not smoke</li>
                  <li> You both live in Bangldesh</li>
                  <li> Ridhika seems to like photography</li>
                  <a href="#" style="color: #D6DA22;font-size: 10px;text-decoration: underline;">See more>></a>
                </ul>     
              </div>
            </div><!-- end favorites-right-->
 <div class="favorites-right-before-expand" id="before-e">
              <div class="matched-body">
                <div class="prog-percent per">80%</div>
                <div class="prog-percent"> MATCHED</div>
              <div class="progress my-progress">
                <div class="progress-bar" role="progressbar" aria-valuenow="80" aria-valuemin="0" aria-valuemax="100" style="width:80%">
                      </div>
              </div>
              <button onclick="myFunction()" class="expand_button">Expand Categories>></button>
              </div><!--end matched-body-->
            </div><!-- end favorites-right-before-expand -->
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3 answers


I think you are making this more difficult for yourself than you need to. Assuming you are using jQuery, you can simply do the following.

function toggleDivs () {
  $('#after-e').toggle();
  $('#before-e').toggle();
}


The function shows or hides elements based on their current state in the dom.

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If you want to wipe out one element and then disappear into another after the animation finishes, you can pass a function in the second parameter of the function .fadeOut

. In this function, you are the .fadeIn

second element.

Here's an example

500 is the delay in milliseconds

$('#first-element').fadeOut(500, function() {
    $('#second-element').fadeIn();
});


Example in code

function myFunction() {
    $('#before-e').fadeOut(500, function() {
        $('#after-e').fadeIn();
    });
}
      

        
        
        
      

    
.favorites-right-before-expand {
    background-color: #5642BE;
    color: #fff;
    height: 155px;
    width: 106px;
    margin-left: -8px;
}
.matched-body {
    padding-top: 40px;
}
.per {
    margin-bottom: -8px;
}
.prog-percent {
    margin-left: 9px;
    font-size: 16px;
}
.prog-percent {
    margin-left: 9px;
    font-size: 16px;
}
.my-progress {
    height: 10px;
    margin-bottom: 0px;
    border-radius: 0px;
    margin-left: 9px;
    margin-right: 15px;
}
.favorites-right-before-expand button {
    color: #D6DA22;
    font-size: 8px;
    text-decoration: underline;
    margin-left: 2px;
    background: none;
    border-style: none;
}
.per {
    margin-bottom: -8px;
}
.prog-percent-after {
    margin-left: 21px;
    font-size: 16px;
}
.prog-percent-after {
    margin-left: 21px;
    font-size: 16px;
}
.my-progress-after {
    height: 10px;
    margin-bottom: 0px;
    border-radius: 0px;
    margin-left: 21px;
    margin-right: 42px;
}
.expand ul {
    list-style: none;
    color: #D6DA22;
    font-size: 10px;
    margin-left: -17px;
    position: relative;
    margin-top: 7px;
}
.favorites-right {
    background-color: #5642BE;
    color: #fff;
    height: 180px;
    width: 142px;
    padding-top: 13px;
}
      

        
        
        
      

    
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="favorites-right" style="display: none;" id="after-e">
                <div class="prog-percent-after per">80%</div>
                <div class="prog-percent-after"> MATCHED</div>
              <div class="progress my-progress-after">
                <div class="progress-bar" role="progressbar" aria-valuenow="80" aria-valuemin="0" aria-valuemax="100" style="width:80%">
                </div>
              </div>
               <div class="expand">
                <ul>
                  <li> You both do not smoke</li>
                  <li> You both live in Bangldesh</li>
                  <li> Ridhika seems to like photography</li>
                  <a href="#" style="color: #D6DA22;font-size: 10px;text-decoration: underline;">See more>></a>
                </ul>     
              </div>
            </div><!-- end favorites-right-->
 <div class="favorites-right-before-expand" id="before-e">
              <div class="matched-body">
                <div class="prog-percent per">80%</div>
                <div class="prog-percent"> MATCHED</div>
              <div class="progress my-progress">
                <div class="progress-bar" role="progressbar" aria-valuenow="80" aria-valuemin="0" aria-valuemax="100" style="width:80%">
                      </div>
              </div>
              <button onclick="myFunction()" class="expand_button">Expand Categories>></button>
              </div><!--end matched-body-->
            </div><!-- end favorites-right-before-expand -->
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You can add these lines to your code to get it through CSS.

.favorites-right-before-expand {
    background-color: #5642BE;
    color: #fff;
    height: 155px;
    width: 106px;
    margin-left: -8px;
    opacity: 0;
    transition: visibility 0s, opacity 0.5s linear;
}
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