Angular and RxJS Online Test

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About the test

The Angular and RxJS online test evaluates a candidate’s knowledge of the Angular front-end web framework and reactive programming with RxJS.

It is an ideal test for pre-employment screening. A good Angular developer should have an in-depth understanding of Angular components and should be able to use that knowledge to create robust, scalable, and user-friendly web applications, as well as use RxJS to implement asynchronous and event-driven features.

The online test requires candidates to answer multiple choice, fill-in-the-blank, and coding questions about Angular and RxJS.

Sample public questions

Easy
2 min
mca
Public
Angular
Components

Which of the following statements about components in Angular are correct?

Easy
3 min
mca
Public
RxJS
Creation Operator
Pipeable Operator
RxJS Observable

An online streaming platform uses the following RxJS code to log the number of seconds passed in a video:

const seconds = interval(1000).pipe(
  map((x) => x + 1),
  startWith(0)
);

const logger = seconds.subscribe((x) =>
  console.log(`Seconds passed: ${x}`)
);

setTimeout(() => {
  logger.unsubscribe();
}, 5000);

What options will be true about seconds and logger after the code above is executed?

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22 more premium Angular and RxJS questions

Cats and Dogs, Clothes, Movie Details, Dictionary Definition, Log Post Data, Awesome Tracking, Fresh Food, Structural Directive, Cards Widget, Dark Mode, Optional Ingredient, Upgrades, Observing Username, User Form, Count Binding, Decimal Pipe, Single Input, Currency Format, Report Summary, Toggle Border, Delivery Details, Weather Form.

Skills and topics tested

  • Angular
  • Components
  • Services
  • HTTP Routing
  • RxJS
  • Creation Operator
  • Pipeable Operator
  • RxJS Observable
  • Bug Fixing
  • RxJS Subject
  • Structural Directive
  • Directives
  • Event Binding
  • Event Handling
  • One-Way Binding
  • Forms
  • Two-Way Binding
  • Expressions
  • Angular Pipes
  • Data Binding

For job roles

  • Angular Developer
  • RxJS Developer

Sample candidate report

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Simple, straight-forward technical testing

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Product reviews

G2 - Crowd Badge
G2 - High Performer (2022)
Capterra - 4.5 Stars
Capterra - Shortlist (2022)

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