This TypeScript Online Test
Separates Good From Bad Hires

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About the test

The TypeScript online test assesses candidates' knowledge of programming in the TypeScript language and their ability to leverage commonly used parts of the standard library.

It's an ideal test for pre-employment screening. A good TypeScript developer needs to be able not only to solve problems using TypeScript but also know how to use its type system.

This online test requires candidates to solve coding problems in TypeScript.

Sample public questions

Easy
2 min
mca
Public
TypeScript
Arrays
OOP

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.

Easy
3 min
mca
Public
TypeScript
OOP
Types

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();

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Skills and topics tested

  • TypeScript
  • OOP
  • Spread
  • Arithmetic
  • Language
  • Objects
  • Inheritance
  • Union Types
  • Arrays

For job roles

  • TypeScript Developer

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