JavaScript onscroll Event
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JavaScript onscroll Event
The onscroll event occurs when an element's scrollbar is being scrolled.
onscroll Event as Attribute
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<div onscroll="myFunction()">
</div>
<p>Div is scrolled <span id="point">0</span> times</p>
<script>
var count = 0;
function myFunction() {
count += 1;
document.getElementById("point").innerHTML = count;
}
</script>
</body>
</html>
Syntax
As Attribute
<element onscroll = "JavaScript">
As Property
object.onscroll = function(){
// code
};
Using Event Listener
object.addEventListener("scroll" , myScript);
onscroll Event as Property
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<div>
</div>
<p>Div is scrolled <span id="point">0</span> times</p>
<script>
var count = 0;
var x = document.getElementsByTagName("div")[0];
function myFunction(){
count += 1;
document.getElementById("point").innerHTML = count;
}
x.onscroll = myFunction;
</script>
</body>
</html>
Using addEventListener() Method
Note: The addEventListener() method is not supported in Internet Explorer 8 and below.
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<div>
</div>
<p>Div is scrolled <span id="point">0</span> times</p>
<script>
var count = 0;
var x = document.getElementsByTagName("div")[0];
function myFunction(){
count += 1;
document.getElementById("point").innerHTML = count;
}
x.addEventListener("scroll", myFunction);
</script>
</body>
</html>
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