JavaScript onload Event
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JavaScript onload Event
The onload event occurs when a given resource has loaded.
Note: This event will not fire when a page or given resource is loaded from the cache.
onload Event as Attribute
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body onload="myFunction()">
<script>
function myFunction(){
document.write("onload is Triggered");
}
</script>
</body>
</html>
Syntax
<body onload = "JavaScript">
As Property
window.onload = function(){
// code
};
Using Event Listener
window.addEventListener("load" , myScript);
onload Event as Property
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<script>
function myFunction(){
document.write("onload is Triggered");
}
window.onload = 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>
<script>
function myFunction(){
document.write("onload is Triggered");
}
window.addEventListener("load", myFunction);
</script>
</body>
</html>
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