The PageTrasitionEvent occurs during the time a document is being loaded or unloaded.
Syntax:
PageTransitionEvent.persisted
Property Values:
- persisted: Returns boolean value whether the webpage was cached or not.
Return Value: This property returns True if the document is loaded from a cache or not otherwise it returns False. Example:
html
<!DOCTYPE html>
<html>
<body bgcolor="green" onpageshow="myFunction(event)">
<center>
<h1 style="color:white;">GeeksforGeeks</h1>
<p id="demo" style="color:white;"></p>
</center>
<script>
function myFunction(event) {
// Check page was cached by the browser
// or not.
if (event.persisted) {
alert("Cached by Browser");
} else {
alert("NOT cached by Browser");
}
}
</script>
</body>
</html>
|
Output:
Supported Browsers:
- Google Chrome 4
- Firefox 11
- Edge 12
- Safari 5
- Opera 15
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Last Updated :
24 Aug, 2022
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