<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<button onclick="topFunction()" id="myBtn" title="Go to top"><i class="fa fa-chevron-up"></i></button>
</body>
#myBtn {
display: none;
position: fixed;
bottom: 20px;
right: 30px;
z-index: 99;
border: none;
outline: none;
background-color: #FD6606;
color: white;
cursor: pointer;
padding: 15px;
border-radius: 50%;
width: 50px;
height: 50px;
font-size: 20px;
}
#myBtn:hover {
background-color: #FF1493;
}
#myBtn:hover i,
.triggeredHover {
-moz-transform: rotate(360deg);
-webkit-transform: rotate(360deg);
-ms--transform: rotate(360deg);
-o--transform: rotate(360deg);
transform: rotate(360deg);
-webkit-transition: all 0.2s;
-moz-transition: all 0.2s;
-o-transition: all 0.2s;
-ms-transition: all 0.2s;
transition: all 0.2s;
}
#myBtn:hover {
color: #fff;
-webkit-transition: all 0.8s;
-moz-transition: all 0.8s;
-o-transition: all 0.8s;
-ms-transition: all 0.8s;
transition: all 0.8s;
}
// When the user scrolls down 20px from the top of the document, show the button
window.onscroll = function() {
scrollFunction()
};
function scrollFunction() {
if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
document.getElementById("myBtn").style.display = "block";
} else {
document.getElementById("myBtn").style.display = "none";
}
}
// When the user clicks on the button, scroll to the top of the document
function topFunction() {
document.body.scrollTop = 0;
document.documentElement.scrollTop = 0;
}