An event handler for scroll events on element.
Syntax
element.onscroll = functionReference
Parameters
functionReference is a reference to a function to be executed when element is scrolled.
Example
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<style>
#container {
position: absolute;
height: auto;
top: 0;
bottom: 0;
width: auto;
left: 0;
right: 0;
overflow: auto;
}
#foo {
height:1000px;
width:1000px;
background-color: #777;
display: block;
}
</style>
</head>
<body>
<div id="container">
<div id="foo"></div>
</div>
<script type="text/javascript">
document.getElementById('container').onscroll = function() {
console.log("scrolling");
};
</script>
</body>
</html>
Notes
The scroll event is raised when the user scrolls the contents of a element. Element.onscroll is equivalent to element.addEventListener("scroll" ... ).
Specifications
HTML5 Event Listener . onscroll