How to execute a JavaScript when the page is about to be unloaded
Close this window, press F5 or click on the link below to invoke the onbeforeunload event.
index.html
Example:
HTML
<!DOCTYPE html>
<html>
<body onbeforeunload="return myFunction()">
<p>Close this window, press F5 or click on the link below to invoke the onbeforeunload event.</p>
<a href="https://horje.com">Click here to go to horje.com</a>
<script>
function myFunction() { return "Write something clever here...";
}
</script>
</body>
</html>
Output should be:
| How to execute a JavaScript when the page is about to be unloaded | HTML Window Event Attributes |
| HTML onafterprint Event Attribute | HTML Window Event Attributes |
| HTML onbeforeprint Event Attribute | HTML Window Event Attributes |
| HTML onbeforeunload Event Attribute | HTML Window Event Attributes |
| HTML onerror Event Attribute | HTML Window Event Attributes |
| HTML onhashchange Event Attribute | HTML Window Event Attributes |
| HTML onload Event Attribute | HTML Window Event Attributes |
| HTML onoffline Event Attribute | HTML Window Event Attributes |
| HTML ononline Event Attribute | HTML Window Event Attributes |
| HTML onpageshow Event Attribute | HTML Window Event Attributes |
| HTML onresize Event Attribute | HTML Window Event Attributes |
| HTML onunload Event Attribute | HTML Window Event Attributes |
|
Type
: |
html |
|
Category
: |
Web Tutorial |
|
Sub Category
: |
HTML Window Event Attributes |
|
Uploaded by
: |
Admin |