Interview Questions

1. Which of the following is valid expression ?

Options:

a. { 3+3 }

b. {{ 3+ 3 }}

c. (( 3+3 ))

d. {( 3+3 )}

Reveal Answer

2. Which of the following statements are true

Options:

a. An expression cannot contain loops, conditions ,regex.

b. AngularJS expression trying to evaluate undefined and null properties generates Reference errors.

c. Expressions cannot declare functions.

d. Can use filters within expression

Reveal Answer

3. In two-way binding the component class and its view can communicate in two-way directional

Options:

a. True

b. b) False

Reveal Answer

4. The ngModel directive is part of a built-in Angular module called "_____________________".

Options:

a. NgModule

b. BrowserModule

c. FormsModule

d. AppComponent

Reveal Answer

5. @Input and @Output are imported from _______________ library

Options:

a. @angular/core'

b. @angular/forms

c. @angular/platform-browser'

d. @angular/browser

Reveal Answer

6. Which one is correct for two-way data binding?

Options:

a. {{ }}

b. ()

c. []

d. [()]

Reveal Answer

7. myEvent(event:any) { console.log(event.type+" event raised"); } <button type="button" (dblclick)="myEvent($event)">Double Click</button><br /><br /> output will be:

Options:

a. click event is raised

b. onclick event is raised

c. dblclick event is raised

d. dmouseover click event is raised

Reveal Answer

8. What expression that gets executed when the input event is fired

Options:

a. $event.target.value

b. $event.element.value

c. @event.target.value

d. None

Reveal Answer

Interview Questions and Answer

1. Which of the following is valid expression ?

2. Which of the following statements are true

3. In two-way binding the component class and its view can communicate in two-way directional

4. The ngModel directive is part of a built-in Angular module called "_____________________".

5. @Input and @Output are imported from _______________ library

6. Which one is correct for two-way data binding?

7. myEvent(event:any) { console.log(event.type+" event raised"); } <button type="button" (dblclick)="myEvent($event)">Double Click</button><br /><br /> output will be:

8. What expression that gets executed when the input event is fired

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