Quiz TypeScript Basic
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Test your knowledge with W3docs’ basic quiz made especially for beginners in TypeScript. Pass the test and get a Certificate of achievement!
The Test
The test contains 20 questions and there is no time limit. The test is not official, it’s just a nice way to see how much you know about TypeScript.
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You will get 5% for each correct answer. At the end of the Quiz, your total score will be displayed out of 100% maximum score.
Enrich your knowledge
At the end of the quiz you can see all the questions with the right answers. There will also be notes about the answers which will lead you to the appropriate page on the platform to enrich your knowledge. Read our HTML tutorial if you are not sure that you are ready for the quiz.
Quiz Answers
Which of the following companies has developed and designed TypeScript?
Amazon
TypeScript
Microsoft
Oracle
Ans. Microsoft
What is the typing principle of typescript?
Gradual
Duck
Dynamic
All of the above
Ans. All of the above
Which of the following filenames is the extension for typescript?
.tt
.nod
.ts
.txt
Ans.
.ts
Which of the computer programming languages below has influenced the creation of typescript?
JavaScript
Java
C#
All of the above
Ans. All of the above
All are backported features of TypeScript, except….
Arrows
Classes
Modules
Methods
Ans. Methods
The advantages of Typescript are…
It assists in code structuring.
It applies class -based object oriented programming.
It introduces coding guidelines.
All of the above.
Ans. All of the above
What variable scopes are available in TypeScript?
Global Scope
Local Scope
Class Scope
Ans. All of the above
Which of the options below power the interactive TypeScript experience in Visual Studio, Vs Code, Sublime, the TypeScript playground and other editor.
TypeScript main
TypeScript language
TypeScript compiler
TypeScript method
Ans. TypeScript language
Which of the statements below is true about the variables in Typescript?
A variable name should include both alphabets and numeric digits.
A variable name cannot start with a digit.
It cannot include spaces and special characters except for dollar ($) sign and underscore (_).
All of the above.
Ans. All of the Above
A typescript may be installed or managed through…
Tag
Nmp
Space
Void
Ans. Nmp
The different Data Types supported by Typescript are…
Boolean let bValue: boolean = false;
String let name: string = “Jack”;
Number let age: number = 16;
All of the above
Ans. All of the above
Which statements below are true about JSX modes?
The preserve mode keeps the JSX as part of the output to be further consumed by another transform step.
The react mode will emit React.addElement.
The preserve, react, and react native modes don’t affect the emit stage – type checking is affected.
The output of react mode has a .jsx file extension.
Ans. The preserve mode keeps the JSX as part of the output to be further consumed by another transform step.
What object oriented terms does Typescript support?
Interfaces
Classes
Modules
All of the above
Ans. All of the Above
Which of the following is a Typescript feature?
Typescript can be compiled to all major versions of Javascript(ES3,ES5,ES6,ES7).
Once can use Typescript for cross -browser development. It is an open source project.
Typescript is considered a superset of JavaScript, providing typed nature to the code.
All of the above.
Ans. All of the Above
….. are the way of organizing a code in TypeScript.
Methods
Modules
Arrows
Classes
Ans. Modules
The TypeScript components are….
TypeScript Compiler
TypeScript Language Service
TypeScript Language
All of the above
Ans. All of the Above
What does Typescript use for anonymous functions?
“dot” syntax
“arrow” syntax
none of the above
Ans. “arrow” syntax
By which type below are integers represented?
Int32
Int
Int64
Number
Ans. Number
What will be output of the following expression?
let a:string=47;
console.log( ” Value of a= ” +a);
Value of a=47
Value of a=0
Value of a=
None of the above
Ans. Value of a=47
Can alert() be used in TypeScript?
Yes
No
Ans. Yes