Callable

• performance(app?: App):Performance

• Gets thePerformance service.

  firebase.performance() can be called with no arguments to access the defaultapp'sPerformance service.ThePerformance service does not work withany other app.

  The Performance SDK does not work in a Node.js environment.

  example

  // Get the Performance service for the default appconst defaultPerformance = firebase.performance();

  Parameters

  • Optional app:App

    The app to create a performance service for. Performance Monitoring only works withthe default app.If not passed, uses the default app.

  ReturnsPerformance

Index