PageTransitionEvent

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨July 2015⁩.

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

Event PageTransitionEvent

Constructor

PageTransitionEvent()

Creates a new PageTransitionEvent object.

Instance properties

This interface also inherits properties from its parent, Event.

PageTransitionEvent.persisted Read only

Indicates if the document is loading from a cache.

Example

js
window.addEventListener("pageshow", (event) => { if (event.persisted) { alert("The page was cached by the browser"); } else { alert("The page was NOT cached by the browser"); } }); 

Specifications

Specification
HTML
# the-pagetransitionevent-interface

Browser compatibility

See also