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.
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
HTML
html
<!doctype html>
<html lang="en-US">
<body></body>
</html>
JavaScript
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 Standard # the-pagetransitionevent-interface |
Browser compatibility
BCD tables only load in the browser