Tips for incorporating seamless animation effects to an element with jQuery

As I work on coding the navbar for my HTML website, I'm incorporating Bootstrap for styling and using a jQuery function to change the color of the navbar dynamically. However, I want to ensure that the color transitions smoothly when it changes. How can I achieve this?

$(document).ready(function() {
getScroll();
});

$(window).scroll(function() {
getScroll();
});

function getScroll() {
var scroll  = $(window).scrollTop();
if (scroll <= 50) {
$("#navbar").removeClass("bg-white");
$("#navbar").addClass("bg-transparent");
} else {
$("#navbar").removeClass("bg-transparent");
$("#navbar").addClass("bg-white");
}
}
.navbar-nav > li {
padding-left: 30px;
padding-right: 30px;
}
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>

<body class="bg-dark">
<nav class="navbar navbar-expand-sm fixed-top" id="navbar">
<ul class="navbar-nav ml-auto nav-fill">
<li class="nav-item">
<a class="nav-link" href="#">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tutorials</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Projects</a>
</li>
<li class="nav-item">
<a class="nav-link" href="">More...</a>
</li>
</ul>
</nav>

<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>
</body>

Answer №1

Include a transition effect to the navbar ID.

#navbar {
        transition: all 2s;
    }

$(document).ready(function() {
getScroll();
});

$(window).scroll(function() {
getScroll();
});

function getScroll() {
var scroll = $(window).scrollTop();
if (scroll <= 50) {
$("#navbar").removeClass("bg-white");
$("#navbar").addClass("bg-transparent");
} else {
$("#navbar").removeClass("bg-transparent");
$("#navbar").addClass("bg-white");
}
}
.navbar-nav > li {
padding-left: 30px;
padding-right: 30px;
}

#navbar {
    transition: all 2s;
}
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>

<body class="bg-dark">
<nav class="navbar navbar-expand-sm fixed-top" id="navbar">
<ul class="navbar-nav ml-auto nav-fill">
<li class="nav-item">
<a class="nav-link" href="#">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tutorials</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Projects</a>
</li>
<li class="nav-item">
<a class="nav-link" href="">More...</a>
</li>
</ul>
</nav>

<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>
</body>

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