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Angular and TypeScript Online Test

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The Angular and TypeScript online test assesses candidates' knowledge of Angular front-end web framework and programming in the TypeScript language.

It's an ideal test for pre-employment screening. A good TypeScript developer needs to have a solid understanding of object-orientated concepts, and be able to apply them to the Angular components to create robust, scalable, and user-friendly web applications.

This online test requires candidates to solve coding problems using the Angular front-end web framework.

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Free Sample Questions for Angular and TypeScript Test

Our sample questions are free for companies to use on a trial plan. See more about our premium questions for paid plans below.

Color Type

2min
  -  
Easy  
  -  
MCA

TypeScript Arrays OOP Public

The following code initializes three types representing the colors: red, green and blue.

type ColorType = [string, number, number, number];
let red: ColorType = ['Red', 1, 0, 0];
let green: [string, number, number, number] = ['Green', 0, 1, 0];
let blue = ['Blue', 0, 0, 1];

Select the statements that are correct.

(Select all acceptable answers.)

Uppercase Types

3min
  -  
Easy  
  -  
MCA

TypeScript OOP Types Public

The following code initializes strings as three different types and attempts to make them uppercase. Which statements about the behavior of the typescript compiler are correct?

let stringType: string = "string type";
stringType.toUpperCase();

let anyType: any = "any type";
anyType.toUpper();
anyType.toUpperCase();

let objectType: Object = "object type";
objectType.toUpperCase();

(Select all acceptable answers.)

Positionable

5min
  -  
Hard  
  -  
MCA

TypeScript Mixins OOP Public

Consider the following two base classes, Positionable and Rotatable, and MovingObject derived class:

class Positionable {
    locationX: number;
    locationY: number;
}

class Rotatable {
    orientation: number;
    rotate(orientation: number) {
        this.orientation += orientation;
    }
    align(rotatable: Rotatable) {
        this.orientation = rotatable.orientation;
    }
}

class MovingObject implements Positionable, Rotatable {
    locationX: number = 0;
    locationY: number = 0;
    orientation: number = 0;
    rotate: (orientation: number) => void;
}

applyMixins(MovingObject, [Positionable, Rotatable]);
function applyMixins(derivedCtor: any, baseCtors: any[]) {
    baseCtors.forEach(baseCtor => {
        Object.getOwnPropertyNames(baseCtor.prototype).forEach(name => {
            derivedCtor.prototype[name] = baseCtor.prototype[name];
        });
    });
}

let mover = new MovingObject(); 
mover.rotate(30);

Select the statements that are correct.

(Select all acceptable answers.)

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Premium Questions for Angular and TypeScript Test

TestDome offers a premium questions library with 1000+ unique, hand-crafted questions whose answers can’t be found online. If you spot an answer somewhere online, we’ll give you a refund.

Question Names

These premium questions are included in this pre-built test and can be added to any multi-skill test. Please sign up for a paid plan to view the questions in detail.

Person, Album, Garden Plants, Open Interface, Filter, Height, Taxable Book, Count Regex
Covered Skills

Testing of these skills is covered in this pre-built test because they’re closely related. On our paid plan, you can easily create your own custom multi-skill tests.

TypeScript OOP Spread Arrays Arithmetic Language Objects Inheritance Regex Union types
Recommended Job Roles

These are the job roles that we recommend for the Angular and TypeScript online test.

JavaScript Developer

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