This particular method enables you to cancel your subscription to an event that was initially set up using the nostr.on() function. This allows you to stop receiving notifications or triggers when a specific event occurs.
if (!nostr.on) { alert('not supported'); }// subscribe to the accountChanged eventnostr.on("accountChanged", accountChangedHandler); // callback is executed once account is changed in provided with multiple accounts// use .off() to unsubscribe from the event. nostr.off("accountChanged", accountChangedHandler);functionaccountChangedHandler() {console.log("Account Changed!");}