Web/API/PageTransitionEvent

The PageTransitionEvent event object is available inside handler functions for the pageshow and pagehide events, fired when a document is being loaded or unloaded.

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Properties

This interface also inherits properties from its parent, Event.

PageTransitionEvent.persisted Read only: Indicates if the document is loading from a cache.

Example

HTML

<!DOCTYPE html>
<html>
<body>
</body>
</html>

JavaScript

window.addEventListener('pageshow', myFunction);

function myFunction(event) { 
  if (event.persisted) {
    alert("The page was cached by the browser");
  } else {
    alert("The page was NOT cached by the browser");
  }
}

Specifications

Specification	Status	Comment
HTML Living StandardThe definition of 'PageTransitionEvent' in that specification.	Living Standard	Initial definition

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`PageTransitionEvent`	Chrome Full support Yes	Edge Full support 12	Firefox Full support Yes	IE Full support Yes	Opera Full support Yes	Safari Full support Yes	WebView Android Full support Yes	Chrome Android Full support Yes	Firefox Android Full support Yes	Opera Android Full support Yes	Safari iOS Full support Yes	Samsung Internet Android Full support Yes
`persisted`	Chrome Full support Yes	Edge Full support 12	Firefox Full support Yes	IE Full support 11 Notes' Full support 11 Notes' Notes' The `persisted` property is known to be buggy in Internet Explorer. It is advised to check if `window.performance.navigation.type == 2` as well.	Opera Full support Yes	Safari Full support Yes	WebView Android Full support Yes	Chrome Android Full support Yes	Firefox Android Full support Yes	Opera Android Full support Yes	Safari iOS Full support Yes	Samsung Internet Android Full support Yes

Legend

Full support: Full support
See implementation notes.': See implementation notes.