Chapter 1: Introducing AngularJS

Question 1

What does MVC stand for?

Answer 1

Model View Controller

Question 2

What does MVVM stand for?

Answer 2

Model View View Model

Question 3

What do we mean by model?

Answer 3

Driving force of the application. All the data and how its structured.

Question 4

What do we mean by View?

Answer 4

This is the user interface

Question 5

What do we mean by controller?

Answer 5

Decision making frameowrk for the application. What to show, what to do. Also handles the presentation of content.

Question 6

Advantage of MVC approach

Answer 6

One unit takes care of one thing e.g. View looks after the user interface, Controller the business logic,

Each unit is idependent (makes code more modular, maintainable and reusable)

Question 7

What do we mean by SPA?

Answer 7

Single Page Application

Also known as an AJAX application

Question 8

What do we mean by CRUD?

Answer 8

Create Retrieve Update Delete

Question 9

What’s data-bidnding?

Answer 9

Angular.js has 1 way and 2 way data binding

We tie data to our markup

e.g. Hello <span>{{name}}</span>

1 way (server to client)

2 way (client server)

Question 10

What does ng-model mean?

Answer 10

It’s an attribute. Probably Angular model.

Used communicating with the server.

These are also called directives.

Question 11

What’s the imperative paradigm?

Answer 11

We need to to tell the application exactly how to do everything

Question 12

What’s the paradigm Angular.JS favours?

Answer 12

The declarative paradigm. In our mark up it iodinates what each part plays and leaves framework to handle it.

Question 13

What do we mean by separation of concerns?

Answer 13

Different components do different things and you change it their not elsewhere

Question 14

What’s dependency injection?

Answer 14

Asking for the dependencies of a particular controller or service

Question 15

What are the backend requirements for Angular.js?

Answer 15

There’s no specific requirements (e.g. you don’t need Ruby, PHP, Java).

You do need a way to talk with the server (probably AJAX)

Question 16

What do we need to include in our file to use Angular.js?

Answer 16

We need to point to the angular.js file

On the html tag we add the ng-app directive. Where we strap it to (element we put it on) and its contents will be part of application. Anything outside won’t be.

Question 17

What do {{}} mean?

Answer 17

Either one-way data binding or an Angular.js expression

Question 18

What does the ng-model directive do?

Answer 18

It’s strapped onto an element to indicate data to use in the app.

Question 19

What does ng-bind directive do?

Answer 19

Interchangeable with the {{}}.

It can stand in for a variable. Indicate what data to add to the page.
e.g.<p></p> or {{name}} would work

Question 20

What’s a directive?

Answer 20

These extend the vocabulary of HTML.

We can declare new tag types to suit the application.