The HTML DOM scrollTop property returns and modify the value of the element’s content scrolled vertically in pixels in an HTML document.
Syntax
Following is the syntax −
Returning scrollTop
element.scrollTop
Adding scrollTop
element.scrollTop = value
Here value is in pixels
Example
Let us see an example of scrollTop property −
<!DOCTYPE html>
<html>
<head>
<style>
body{
text-align:center;
color:#fff;
background: #ff7f5094;
height:100%;
}
p{
font-weight:700;
font-size:1.8rem;
height:80px;
overflow:auto;
width:150px;
margin:20px auto;
}
.btn{
background:#0197F6;
border:none;
height:2rem;
border-radius:2px;
width:35%;
margin:2rem auto;
display:block;
color:#fff;
outline:none;
cursor:pointer;
}
.show{
font-size:1.5rem;
}
#myDIV {
height: 200px;
width: 200px;
overflow: auto;
margin:20px auto;
}
#content {
height: 400px;
width: 1000px;
background-color: lightblue;
}
</style>
</head>
<body>
<h1>DOM scrollLeft/scrollTop Property Demo</h1>
<div id="myDIV" onscroll="display()">
<div id="content"></div>
</div>
<div class="show"></div>
<script>
function display() {
var elmnt = document.getElementById("myDIV");
var x = elmnt.scrollLeft;
var y = elmnt.scrollTop;
document.querySelector(".show").innerHTML = "Top Scroll = " + x + "px Left Scroll = " + y + "px";
}
</script>
</body>
</html>Output
This will produce the following output −

Now scroll inside the blue box to get the value of top scroll and left scroll.
