firebase.app

namespace   static

app

app(name) returns firebase.app.App

Retrieves a Firebase app instance.

When called with no arguments, the default app is returned. When an app name is provided, the app corresponding to that name is returned.

An exception is thrown if the app being retrieved has not yet been initialized.

Parameter

name

Optional

string

Optional name of the app to return. If no name is provided, the default is "[DEFAULT]".
Returns

non-null firebase.app.App The app corresponding to the provided app name. If no app name is provided, the default app is returned.

Examples 

// Return the default app
var app = firebase.app();
// Return a named app
var otherApp = firebase.app("otherApp");

Interface