How to slowly adjust a CSS attribute using jQuery

Looking for a way to add a fade effect to this code:

$('#uiAdminPanelMenu li a').hover( function(){
    $(this).css('background-color', '#D3E1FA';
 },
 function(){
    $(this).css('background-color', '#F4F4F4');
});

The current code changes the background color instantly, but I would like it to change slowly with a fade effect instead.

Answer №1

You can achieve the same result using CSS3 transitions. The outcome will be very similar.

#uiAdminPanelMenu li a {
    background-color: F4F4F4;
    -webkit-transition: background-color 0.4s ease;
    -moz-transition: background-color 0.4s ease;
    -o-transition: background-color 0.4s ease;
    transition: background-color 0.4s ease;
}

#uiAdminPanelMenu li a:hover {
    background-color: D3E1FA;
}

Answer №2

When utilizing the animate() function in jQuery, be sure to also incorporate the Color Plugin for jQuery.

By including the color plugin, the code below will execute smoothly:

$('#uiAdminPanelMenu li a').hover( function(){
    $(this).animate({'background-color': '#D3E1FA'}, 'slow');
 },
 function(){
    $(this).animate({'background-color': '#F4F4F4'}, 'slow');
});

Answer №3

Although it may seem like I'm a bit late in providing an answer to this question, I still wanted to share an alternative solution that has worked well for me. (Both of the previously provided answers will also do the trick). I opted to use CSS Animation, which proved to be more effective for me than jQuery animate in certain scenarios. Give the following code snippet a try -

// 'bcolor' is the name of the animation keyframe defined further below

#uiAdminPanelMenu li a:hover {
    -webkit-animation-name: bcolor; 
    -webkit-animation-duration: 1s;   
    -webkit-animation-fill-mode: forwards;
    -moz-animation-name: bcolor;  
    -moz-animation-duration: 1s;   
    -moz-animation-fill-mode: forwards; 
    animation-name: bcolor;
    animation-duration: 1s;    
    animation-fill-mode: forwards;
}

@-webkit-keyframes shadeOn {
    from {background-color: #F4F4F4;}
    to {background-color: #D3E1FA;}
}
@-moz-keyframes shadeOn {
    from {background-color: #F4F4F4;}
    to {background-color: #D3E1FA;}
}
@keyframes shadeOn {
    from {background-color: #F4F4F4;}
    to {background-color: #D3E1FA;}
}

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