JavaScript window.pageYOffset Property
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JavaScript window.pageYOffset Property
The window.pageYOffset
property returns the number of pixels that the document is currently scrolled vertically.
Note: This property is read-only.
Note: This property is an alias for window.scrollY.
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<button onclick="myFunction()">pageYOffset</button>
<script>
window.scrollBy({
top: 100,
left: 0,
behavior: 'auto'
});
function myFunction(){
alert("Scroll Top: "+window.pageYOffset);
}
</script>
</body>
</html>
Syntax
window.pageYOffset
Return Value
Value | Explanation |
---|---|
Number | Returns the number of pixels that the document is currently scrolled vertically. |
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