Angular Intro
Which of the following is the correct usage of template syntax?
< li (click)="selectHero(hero)" *ngFor="let hero of heroes">< /li>
Which of the following correctly represents one-way data binding, from view to source?
<button (click)="buttonClicked()'>Click Me!</button>
Which of the following correctly represents two-way data binding?
<input type="password" [(ngModel)]="userPwd" required>
Consider the following code. <p class="bold text-center"> {{data.userName}} </p> The data object is fetched from a service and turns out to be null. In such a case, how can you ensure that the app does not crash or log any errors?
<p class="bold text-center" {{data.userName != null }}</p> ??
The following are all Angular metadata Decorators, except ________
@Bindable
The decorator that is used to indicate a module is _______.
@NgModule
Services are identified using the decorator ______.
@injectable
The following are all metadata, except ________
@template
What happens when the following code is encountered by Angular? <tr> <td id="tableData4" colspan={{2 * 2}}> </td> </tr>`
A template parse error is thrown since colspan is a native HTML attribute
Which of the following are valid metadata properties?
All the options
The following are true about Angular 2, except ________
Angular 2 extensively uses $scope object to implement MV* pattern
Root module class by convention is named as _______.
AppModule
A _______ acts as a mediator between application/business logic and the application presentation layer.
Component
What are the types of Angular View Classes that can be associated to a Module?
Components, Directives, pipes
Angular 2 uses ______ Dependency Injection.
Hierarchical
What is it called when you "compile the application in the browser before launching the app"?
Just-in-time (JIT) compilation
The following are all Directives, except __________
Module
______ element property is used to tell angular to insert the instance of component in the HTML file.
Selectors
Which directive lets you change the rendered view by adding and removing elements from the Document Object Model?
Structural Directive
______ are mandatory parameter in components.
Templates
Everything in Angular 2 is a simple class, until you declare metadata.
True
Templates can also be added using URLs of the file containing code.
True
There can be only one component per DOM element.
True
Which scripting language can be used to write Angular 2 apps?
TypeScript or JavaScript
Property binding is defined using _________.
[ ]
Two way binding is done using ________.
[( ngModule )]
Which directive lets you modify the behavior of another Directive?
attribute
Angular 2 is written on top of Angular 1.5.x.
false
There can only one service in a component
false
What happens to the <div> element once the application is launched? <div *ngIf="servePie"> Pie Chart - Sales Projection ..... </div>
if 'servePie' evaluates to false, the element is hidden from view but persists in the DOM
Services are included in components using ______.
provider
directives quiz below
score 3/4
quiz below: Data Binding
score 3/4
Metadata quiz below
score 4/4
Services Quiz below
score : 4/4
next quiz starts below: Quiz Angular Modules
score of below 4: 4/4
next quiz includes the below: quiz templates
score: 3/4
next quiz includes the below 4 : Quiz Components
score: 4/4
The following are true about Services, except ________
services are designed to do a lot of things at a time
Which of the following is an advantage of lazy loading?
speeds up application load time
