How does jQuery.scrollTop() work?
The scrollTop( ) method gets the scroll top offset of the first matched element. This method works for both visible and hidden elements.
Example
You can try to run the following code to learn how to work with scrollTop() method:
Live Demo
<html>
<head>
<title>jQuery scrollTop() method</title>
<script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("div.demo").scrollTop( 200 );
$("div.demo").mousemove(function () {
var top = $("div.demo").scrollTop();
$("#result").html("top offset: <span>" + top + "</span>.");
});
});
</script>
<style>
div.demo {
background:#CCCCCC none repeat scroll 0 0;
border:3px
solid #666666;
margin:5px;
padding:5px;
position:relative;
width:200px;
height:100px;
overflow:auto;
}
div.result {
margin:10px;
width:100px;
height:100px;
margin:5px;
float:left;
background-color:blue;
}
p {
margin:10px;
padding:5px;
border:2px solid #666;
width:1000px;
height:1000px;
}
</style>
</head>
<body>
<div class = "demo"><p>Hello</p></div>
<span>Scroll vertical button to see the result:</span>
<div class = "result"><span id = "result"></span></div>
</body>
</html>
Published on 17-Dec-2017 17:51:45
