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HTML | DOM PageTransitionEvent

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The PageTrasitionEvent occurs during the time a document is being loaded or unloaded. 



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: 


<!DOCTYPE html>
<body bgcolor="green" onpageshow="myFunction(event)">
        <h1 style="color:white;">GeeksforGeeks</h1>
        <p id="demo" style="color:white;"></p>
        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");



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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