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Key Questions to Ask While Hiring an Angular JS Developer

If you wish to hire an Angular JS developer then some basic homework is recommended before making a final choice. Here are some key Angular JS questions to ask while hiring  Developers:

11 AngularJS Questions

What do know about AngularJS?

It is JavaScript framework that allows you to use HTML as your template language.  The framework is used for creating single web page applications.  AngularJS helps developers with the option to write client side application (using JavaScript) in a clean MVC (Model View Controller) way. Angular JS enables applications to be written in such a manner that they are cross browser compatible. It is a free and an open source framework.

What do you understand by controllers?

Controllers are the prime actors in AngularJS framework. They are tasks that operate on data and decide which view is to be updated to show the updated model based data. These are bound to a particular scope.

What do you understand by Scope?

Scope is the connection between the application controller and view. Scopes are objects arranged in a hierarchy.

What do you understand by Filters in Angular JS?

These are used to a show a list of selected items, based on a set criteria. A new array is provided by the filter on the basis of the selected items.

What do you know about routing in Angular JS?

Routing is a feature that helps in switching views. The controller in Angular JS uses business logic to render the most appropriate view.

What do you understand by directives?

Directives help in creation of custom widgets. These are built into the Angular JS framework and help develop widgets more efficiently.

What is your understanding of services?

Services are the singleton objects or functions. These are used for carrying out specific tasks.  It holds some business logic and these function can be called as controllers, directive, filters and so on.

What do you understand by deep linking?

This is the process of encoding of the application in the URL. The process can be reversed and the application can be restored to the same state.

What is the boot process in Angular JS?

The boot process in AngularJS is as follows

  1. HTML document is loads first and is checked by the browser. Next the AngularJS JavaScript file is loaded. and the angular global object is created. Next, JavaScript which registers controller functions is executed.
  2. Angular JS now executes the controller function. It then renders the views with data from the model populated by the controller
What do you understand by Model View Controller?

MVC is a software design pattern for developing web applications. A Model View Controller pattern is made up of the following three parts:

  1. Model − This is responsible for maintaining data.
  2. View − This is meant for displaying all or a portion of the data to the user.
  3. Controller − This is a software Code that controls the interactions between the Model and view.
What do you understand by expressions in AngularJS?

Expressions are used to bind application data to html. Expressions are written inside double braces like {{ expression}}.

We hope if a developer can answer these Angular JS questions then he has to be quite efficient. A business looking hire expert Angular JS developers must choose a specialist partner like ValueCoders. The company provides features like free trial and monthly contract which makes it a preferred outsourcing partner.

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