The persisted
read-only property indicates if a webpage is loading from a cache.
window.addEventListener("pageshow", function(event) { if (event.persisted) { console.log("Page was loaded from cache."); } });
A Boolean
.
Specification | Status | Comment |
---|---|---|
HTML Living Standard The definition of 'PageTransitionEvent: persisted' in that specification. | Living Standard | Initial definition |
Desktop | ||||||
---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
Basic support | Yes | ? | Yes | ? | Yes | ? |
Mobile | |||||||
---|---|---|---|---|---|---|---|
Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
Basic support | Yes | Yes | ? | Yes | Yes | ? | ? |
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https://developer.mozilla.org/en-US/docs/Web/API/PageTransitionEvent/persisted