Limited availability
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The NavigationHistoryEntry interface of the Navigation API represents a single navigation history entry.
These objects are commonly accessed via the Navigation.currentEntry property and Navigation.entries() method.
The Navigation API only exposes history entries created in the current browsing context that have the same origin as the current page (e.g., not navigations inside embedded <iframe>s, or cross-origin navigations), providing an accurate list of all previous history entries just for your app. This makes traversing the history a much less fragile proposition than with the older History API.
Inherits properties from its parent, EventTarget.
id Read only Experimental
Returns the id of the history entry. This is a unique, UA-generated value that always represents a specific history entry, useful to correlate it with an external resource such as a storage cache.
index Read only Experimental
Returns the index of the history entry in the history entries list (that is, the list returned by Navigation.entries()), or -1 if the entry does not appear in the list.
key Read only Experimental
Returns the key of the history entry. This is a unique, UA-generated value that represents the history entry's slot in the entries list rather than the entry itself. It is used to navigate that particular slot via Navigation.traverseTo(). The key will be reused by other entries that replace the entry in the list (that is, if the NavigateEvent.navigationType is replace).
sameDocument Read only Experimental
Returns true if this history entry is for the same document as the current Document value, or false otherwise.
url Read only Experimental
Returns the absolute URL of this history entry. If the entry corresponds to a different document than the current one (like sameDocument property is false), and that document was fetched with a Referrer-Policy header set to no-referrer or origin, the property returns null.
Inherits methods from its parent, EventTarget.
getState() Experimental
Returns a clone of the available state associated with this history entry.
dispose Experimental
Fires when the entry is no longer part of the history entry list.
function initHomeBtn() {
// Get the key of the first loaded entry
// so the user can always go back to this view.
const { key } = navigation.currentEntry;
backToHomeButton.onclick = () => {
navigation.traverseTo(key);
};
}
// Intercept navigate events, such as link clicks, and
// replace them with single-page navigations
navigation.addEventListener("navigate", (event) => {
event.intercept({
async handler() {
// Navigate to a different view,
// but the "home" button will always work.
},
});
});
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