Navigation precommit handlersThe precommitHandler callback option to NavigateEvent's intercept() method returns a promise that defers navigation until the promise resolves. You can use this to change the navigation's URL, state, and history before navigation occurs.limitedhttps://html.spec.whatwg.org/multipage/nav-history-apis.html#dom-navigationinterceptoptions-precommithandlerhttps://developer.mozilla.org/docs/Web/API/NavigationPrecommitControllerapi.NavigateEvent.intercept.precommitHandler_optionapi.NavigationPrecommitControllerapi.NavigationPrecommitController.addHandlerapi.NavigationPrecommitController.redirecthttps://nowyoucanuse.com/features--navigation-precommit-handlers.html