70 interview questions on Angular for developers (2023)

Easy

12 votes2115 runs1 comment

Create a form with two mandatory fields in Angular

Web developer

Angular

form

validation

Emmanuel Demeyat Jan 4, 2022

Expert

8 votes2041 runs1 comment

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

Web developer

Angular

providers

Emmanuel Demeyat Mar 28, 2023

Medium

7 votes2075 runs1 comment

Which provider is recommended for DOM manipulation in Angular?

Web developer

Angular

dom

Emmanuel Demeyat Jan 4, 2022

Easy

4 votes1804 runs0 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

Emmanuel Demeyat Jan 4, 2022

Medium

3 votes1829 runs0 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

Angular

directives

events

Emmanuel Demeyat Jan 4, 2022

Medium

3 votes569 runs1 comment

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

Web developer

Angular

html

Léoat Mar 29, 2022

Easy

2 votes1834 runs0 comment

Unsubscribe from an Observable in Angular

Web developer

Angular

observables

subscriptions

Emmanuel Demeyat Jan 4, 2022

Hard

2 votes628 runs0 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

2 votes585 runs1 comment

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

1 vote1955 runs1 comment

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

Web developer

Angular

pipe

Emmanuel Demeyat Jan 4, 2022

Medium

1 vote1793 runs0 comment

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

Web developer

Angular

app

Emmanuel Demeyat Jan 4, 2022

Easy

1 vote576 runs0 comment

What is Angular?

Web developer

Angular

javascript

framework

Léoat Mar 29, 2022

Easy

1 vote569 runs0 comment

What is the purpose of the *ngFor directive?

Web developer

Angular

directives

arrays

Léoat Jan 16, 2023

Easy

1 vote569 runs0 comment

Who founded Angular?

Web developer

Angular

history

Léoat Mar 29, 2022

Hard

1 vote514 runs0 comment

Define an interface that acts as a bridge between Angular's Forms API and a native element in the DOM.

Web developer

Angular

forms

Marc Gavanierat Jan 4, 2022

Easy

1 vote224 runs1 comment

Use the pipe operator to convert a string to uppercase in Angular

Web developer

Angular

html

Léoat Mar 29, 2022

Easy

0 vote1991 runs0 comment

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

Web developer

Angular

child component

parent component

Emmanuel Demeyat Jan 4, 2022

Medium

0 vote1873 runs1 comment

Get a path parameter from the current url in Angular

Web developer

Angular

route

Emmanuel Demeyat Jan 4, 2022

Easy

0 vote1817 runs0 comment

How to retrieve an event in Angular

Web developer

Angular

events

Emmanuel Demeyat Jan 4, 2022

Medium

0 vote1793 runs0 comment

Which of these syntaxes cannot be used in Angular?

Web developer

Angular

attribute

Emmanuel Demeyat Jan 4, 2022

70 interview questions on Angularfor developers (2023)

Test your technical skills before an interview of Angular with 70 corrected questions. Beginner, Intermediate or Expert level.

Create a form with two mandatory fields in Angular

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

Which provider is recommended for DOM manipulation in Angular?

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

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

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

Unsubscribe from an Observable in Angular

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

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.

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

What is Angular?

What is the purpose of the *ngFor directive?

Who founded Angular?

Define an interface that acts as a bridge between Angular's Forms API and a native element in the DOM.

Use the pipe operator to convert a string to uppercase in Angular

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

Get a path parameter from the current url in Angular

How to retrieve an event in Angular

Which of these syntaxes cannot be used in Angular?

70 interview questions on Angularfor developers (2023)

Test your technical skills before an interview of Angular with 70 corrected questions. Beginner, Intermediate or Expert level.

Create a form with two mandatory fields in Angular

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

Which provider is recommended for DOM manipulation in Angular?

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

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

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

Unsubscribe from an Observable in Angular

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

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.

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

What is Angular?

What is the purpose of the __*ngFor__ directive?

Who founded Angular?

Define an interface that acts as a bridge between Angular's Forms API and a native element in the DOM.

Use the pipe operator to convert a string to uppercase in Angular

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

Get a path parameter from the current url in Angular

How to retrieve an event in Angular

Which of these syntaxes cannot be used in Angular?

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

What is the purpose of the *ngFor directive?