What is factory method in AngularJS Mcq?

What is factory method in AngularJS Mcq?

Factory method in Angularjs is a simple function that allows us to add some logic to create an object and return it. The factory is used to create reusable code.

What is factory service in angular?

Application developers are free to define their own services by registering the service’s name and service factory function, with an AngularJS module. The service factory function generates the single object or function that represents the service to the rest of the application.

What is angular module factory?

factory angular creates the respective service by invoking the function and using its return value as the service. service angular will treat it as an constructor and invoke it with the new keyword to create the service. Thus creating a service with angular.Module.factory looks like this: app.

What is a factory in angular 9?

Factories are functions that are invoked, so they can return anything. On the other hand, services are instantiated by angular via new fn() , so they must return an instance.

What is factory and service in AngularJS?

Essentially, factories are functions that return the object, while services are constructor functions of the object which are instantiated with the new keyword.

What is difference between factory service and provider in AngularJS?

Here’s the myService controller (which is almost exactly the same as our factory controller). app. controller(‘myServiceCtrl’, function($scope, myService){ $scope. data = {}; $scope.

What is a factory service?

The term service factory, coined in 1989 by Richard B. Chase and Warren J. Erikson, represents the idea that the factory can be a source of customer service in addition to a place where products are manufactured.

What is component factory in Angular?

If we go by the Angular definition, a ComponentFactory is a base class for a factory that can create a component dynamically. Instantiate a factory for a given type of component with resolveComponentFactory(). Use the resulting ComponentFactory. create() method to create a component of that type.

Which uses this is it service or factory in AngularJS?

Use Service when you need just a simple object such as a Hash, for example {foo;1, bar:2} It’s easy to code, but you cannot instantiate it. Use Factory when you need to instantiate an object, i.e new Customer(), new Comment(), etc. Use Provider when you need to configure it.

What does factory maintenance include?

These aspects include, but are not limited to: engine, transmission, brakes, alignment, tires, wheels, air conditioning, electrical systems, latches, lights, mirrors, windows, filters, fluids, exhaust, and suspension.

What is manufacturer maintenance schedule?

Many manufacturers use a 30-60-90 schedule, meaning certain items need to be inspected, changed or replaced at 30,000, 60,000, and 90,000 miles. But if you’re like most drivers, you may wonder if every suggested maintenance checkpoint in your car manual is essential for the health and well-being of your car.

What is a factory component?

DEFINITION. A factory component is a composite activity. Structurally, it contains a set of viewpoints and a production plan. Behaviorally, it delegates its activities to other factory components or tasks.

What is the use of factory in AngularJS?

The object returned by the factory can be integrated (injectible) with different components of the Angularjs framework such as controller, service, filter or directive. In practical Scenario Factory generally acts as container or class for a collection of functions which fulfills different features of the application.

What is the use of a factory in JavaScript?

A factory is a simple function which allows us to add some logic to a created object and return the created object. The factory is also used to create/return a function in the form of reusable code which can be used anywhere within the application.

How to declare a service in AngularJS?

There are several ways to declare angularjs service within application. Following are two simple ways: Both of the ways of defining a service function/object are valid. We will shortly see the difference between factory () and service () method.

What is the difference between a service and a factory?

Update. A service holds a reference to any object. A factory is a function which returns any object A provider is a function which returns any function.