The HTML Window pageYOffset property returns the value in pixel the current document has been scrolled vertically from the left corner.
Syntax
Following is the syntax −
window.pageYOffset
Let us see an example of HTML Window pageYOffset Property −
Example
<!DOCTYPE html>
<html>
<style>
body {
color: #000;
height: 100vh;
background-color: #8BC6EC;
background-image: linear-gradient(135deg, #8BC6EC 0%, #9599E2 100%) no-repeat;
text-align: center;
}
.btn {
background: #db133a;
border: none;
height: 2rem;
border-radius: 2px;
width: 40%;
display: block;
color: #fff;
outline: none;
cursor: pointer;
margin: 1rem auto;
}
.box {
width: 1000px;
height: 1000px;
background: teal;
color: #fff;
font-size: 1.5rem;
text-align: left;
padding: 20px;
}
</style>
<body>
<h1>HTML Window pageYOffset Property Demo</h1>
<button onclick="scrollFn()" class="btn">Scroll</button>
<button onclick="display()" class="btn">Show pageYOffset value</button>
<div class="box"></div>
<script>
function display() {
document.querySelector('.box').innerHTML = 'The value of pageYOffset is: ' + window.pageYOffset + 'px';
}
function scrollFn() {
window.scrollBy(0, 10);
}
</script>
</body>
</html>Output
Click on “Show pageYOffset value” button to display the value of pageYOffset property:
Now click on “Scroll” button to scroll the page −
And then again click on “Show pageYOffset value” button to display the value of pageYOffset −
