CSS transition: fade background color, resetting after

Question

I have a list of divs and allow my user to add a new one dynamically by posting new content. If the user posts new content, I\'d like to highlight it on the screen by fading the

Answer 1

You could make use of animation keyframes. No additional javascript needed.

$('input[type=button]').click( function() {
 $('#newContent').addClass('backgroundAnimated');
});

@-o-keyframes fadeIt {
  0%   { background-color: #FFFFFF; }
  50%  { background-color: #AD301B; }
  100% { background-color: #FFFFFF; }
}
@keyframes fadeIt {
  0%   { background-color: #FFFFFF; }
  50%  { background-color: #AD301B; }
  100% { background-color: #FFFFFF; }
}

.backgroundAnimated{    
    background-image:none !important; 
         -o-animation: fadeIt 5s ease-in-out; 
            animation: fadeIt 5s ease-in-out; 
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div>Old stuff</div>
<div>Old stuff</div>
<div>Old stuff</div>
<div id="newContent">New stuff, just added</div>

<input type="button" value="test" />

Answer 2

If you can use jquery-ui this might help:

$('input[type=button]').click( function() { 
  var animTime = 1000;
 $('#newContent').addClass('pulse', animTime).removeClass('pulse', animTime);
});

.pulse{
        background-color: #AD310B;     
}

<script src="http://code.jquery.com/jquery-latest.min.js" 
    type="text/javascript" charset="utf-8"></script>
<script	src="https://code.jquery.com/ui/1.12.1/jquery-ui.min.js"
			  type="text/javascript" charset="utf-8"></script>
		
<div>Old stuff</div>
<div>Old stuff</div>
<div>Old stuff</div>
<div id="newContent">New stuff, just added</div>

<input type="button" value="test" />

Answer 3

Hmmm.. If you wanted to keep it in css you could add a setTimeout inside your click event and then add another class.

$('input[type=button]').click( function() {
 $('#newContent').addClass('backgroundAnimated');
    setTimeout(function(){
        $('#newContent').addClass('nextBackgroundAnimated');
    }, 5000);
});

CSS::

.backgroundAnimated{
        background-color: #AD310B !important;
        background-image:none !important;
    -webkit-transition: background-color 5000ms linear;
    -moz-transition: background-color 5000ms linear;
    -o-transition: background-color 5000ms linear;
    -ms-transition: background-color 5000ms linear;
    transition: background-color 5000ms linear;
        -webkit-animation-direction: alternate; /* Chrome, Safari, Opera */
    animation-direction: alternate;

        -webkit-animation-iteration-count: 2; /* Chrome, Safari, Opera */
    animation-iteration-count: 2;
}
.nextBackgroundAnimated{
        background-color: white !important;
        background-image:none !important;
}

http://jsfiddle.net/pUeue/1954/