73 interview questions on Angular for developers (2025)

Easy

30 votes3661 runs2 comments

Create a form with two mandatory fields in Angular

Web developer

angular

form

validation

Anonymous authorat Jan 4, 2022

Easy

23 votes1891 runs1 comment

What is TypeScript?

Web developer

typescript

javascript

angular

Léoat Mar 29, 2022

Easy

17 votes3623 runs

3 comments

Which provider is recommended for DOM manipulation in Angular?

Web developer

angular

dom

Anonymous authorat Jan 4, 2022

Medium

15 votes3589 runs

3 comments

Which of these methods, allowing to create Providers, does not exist in Angular?

Web developer

angular

providers

Anonymous authorat Mar 28, 2023

Easy

11 votes1750 runs

3 comments

Specify the location in the DOM where the component of the active route will be inserted in Angular

Web developer

angular

router

Léoat Mar 29, 2022

Medium

8 votes3450 runs

3 comments

Write a pipe to format a date according to a certain pattern.

Web developer

angular

pipe

Anonymous authorat Jan 4, 2022

Easy

7 votes3545 runs1 comment

How to make a child component communicate with its parent component in Angular?

Web developer

angular

child component

parent component

Anonymous authorat Jan 4, 2022

Medium

7 votes1735 runs1 comment

Navigate to the new-gadgets route in Angular

Web developer

angular

router

Léoat Mar 29, 2022

Medium

7 votes1699 runs

2 comments

How to capitalize the first letter of each word in a string in Angular

Web developer

angular

html

Léoat Mar 29, 2022

Easy

7 votes1663 runs0 comment

What is Angular?

Web developer

javascript

framework

Léoat Mar 29, 2022

Easy

6 votes3339 runs2 comments

Get a path parameter from the current url in Angular

Web developer

angular

route

Anonymous authorat Jan 4, 2022

Easy

6 votes3270 runs0 comment

Unsubscribe from an Observable in Angular

Web developer

angular

observables

subscriptions

Anonymous authorat Jan 4, 2022

Medium

6 votes1810 runs

3 comments

How will the number 422.467 appear in the DOM in Angular with the default locale fr-FR (French-France)?

Web developer

angular

html

Léoat Mar 29, 2022

Easy

5 votes3265 runs1 comment

In an Angular directive, which decorator should we use to listen for an event of the element that this same directive is placed on?

Web developer

directives

events

Anonymous authorat Jan 4, 2022

Easy

5 votes3183 runs

1 comment

Which token should we use to execute JavaScript code when starting the application

Web developer

angular

app

Anonymous authorat Jan 4, 2022

Easy

5 votes3165 runs1 comment

Why is the following snippet not validated? ```jsx <h1>Products Lists</h1> <ul> <li ngFor="let p of products" ngIf="p.stock > 0"> {{ p.name }} </li> </ul> ``` Answer: We cannot have ngFor and ngIf on the same element

Web developer

angular

ngFor

ngIf

Anonymous authorat Jan 4, 2022

Easy

5 votes1818 runs

6 comments

Which flag allows you to specify, when creating an application, that you want to use SCSS for styles?

Web developer

angular

scss

Léoat Mar 29, 2022

Medium

5 votes1258 runs

1 comment

How many service instances will be created if you provide a service in the "providers" section of two @Component decorator components?

Web developer

angular

services

Nicolasat Apr 13, 2022

Easy

4 votes1466 runs

1 comment

What are the main files of an Angular component?

Web developer

files

html

scss

Léoat Mar 29, 2022

Medium

3 votes3190 runs1 comment

What is the main purpose of the* providedIn: 'root'* property which is automatically put on each generated service?

Web developer

angular

tree shaking

Anonymous authorat Jan 4, 2022

73 interview questions on Angularfor developers (2025)

Test your technical skills before an interview of Angular with 73 corrected questions. Beginner, Intermediate or Expert level.

Create a form with two mandatory fields in Angular

What is TypeScript?

Which provider is recommended for DOM manipulation in Angular?

Which of these methods, allowing to create Providers, does not exist in Angular?

Specify the location in the DOM where the component of the active route will be inserted in Angular

Write a pipe to format a date according to a certain pattern.

How to make a child component communicate with its parent component in Angular?

Navigate to the new-gadgets route in Angular

How to capitalize the first letter of each word in a string in Angular

What is Angular?

Get a path parameter from the current url in Angular

Unsubscribe from an Observable in Angular

How will the number 422.467 appear in the DOM in Angular with the default locale fr-FR (French-France)?

In an Angular directive, which decorator should we use to listen for an event of the element that this same directive is placed on?

Which token should we use to execute JavaScript code when starting the application

Why is the following snippet not validated? ```jsx <h1>Products Lists</h1> <ul> <li ngFor="let p of products" ngIf="p.stock > 0"> {{ p.name }} </li> </ul> ``` Answer: We cannot have ngFor and ngIf on the same element

Which flag allows you to specify, when creating an application, that you want to use SCSS for styles?

How many service instances will be created if you provide a service in the "providers" section of two @Component decorator components?

What are the main files of an Angular component?

What is the main purpose of the* providedIn: 'root'* property which is automatically put on each generated service?

73 interview questions on Angularfor developers (2025)

Test your technical skills before an interview of Angular with 73 corrected questions. Beginner, Intermediate or Expert level.

Create a form with two mandatory fields in Angular

What is TypeScript?

Which provider is recommended for DOM manipulation in Angular?

Which of these methods, allowing to create Providers, does not exist in Angular?

Specify the location in the DOM where the component of the active route will be inserted in Angular

Write a pipe to format a date according to a certain pattern.

How to make a child component communicate with its parent component in Angular?

Navigate to the new-gadgets route in Angular

How to capitalize the first letter of each word in a string in Angular

What is Angular?

Get a path parameter from the current url in Angular

Unsubscribe from an Observable in Angular

How will the number 422.467 appear in the DOM in Angular with the default locale fr-FR (French-France)?

In an Angular directive, which decorator should we use to listen for an event of the element that this same directive is placed on?

Which token should we use to execute JavaScript code when starting the application

Why is the following snippet not validated? ```jsx <h1>Products Lists</h1> <ul> <li *ngFor="let p of products" *ngIf="p.stock > 0"> {{ p.name }} </li> </ul> ``` Answer: We cannot have ngFor and ngIf on the same element

Which flag allows you to specify, when creating an application, that you want to use SCSS for styles?

How many service instances will be created if you provide a service in the "providers" section of two @Component decorator components?

What are the main files of an Angular component?

What is the main purpose of the* providedIn: 'root'* property which is automatically put on each generated service?

Why is the following snippet not validated? ```jsx <h1>Products Lists</h1> <ul> <li ngFor="let p of products" ngIf="p.stock > 0"> {{ p.name }} </li> </ul> ``` Answer: We cannot have ngFor and ngIf on the same element