NavigateEvent: hashChange property

Baseline 2026

Newly available

Since January 2026, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

ThehashChange read-only property of theNavigateEvent interface returnstrue if the navigation is a fragment navigation (i.e., to a fragment identifier in the same document), orfalse otherwise.

Value

A boolean value—true if the navigation is a fragment navigation,false if not.

Examples

navigation.addEventListener("navigate", (event) => {  // Some navigations, e.g. cross-origin navigations, we  // cannot intercept. Let the browser handle those normally.  if (!event.canIntercept) {    return;  }  // Don't intercept fragment navigations or downloads.  if (event.hashChange || event.downloadRequest !== null) {    return;  }  event.intercept({    handler() {      if (event.formData) {        processFormDataAndUpdateUI(event.formData, event.signal);      } else {        doSinglePageAppNav(event.destination, event.signal);      }    },  });});