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HTML DOM scrollTop Property
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.
Updated on: 01-Jul-2020
107 Views
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