Introduction to TypeScript

TypeScript is developed and maintained by _____________ and its first version was first introduced on _____.

• Amazon.com, 2008

• Microsoft Corporation, 2012

• Microsoft Corporation, 2009

• Amazon.com, 2013

TypeScript is a syntactic of JavaScript which adds static typing.

• subset

• upset

• sunset

• superset

What is true about the difference between TypeScript and JavaScript?

SELECT TWO.

• TypeScript comes with optional static typing and

  a type inference system, JavaScript is a dynamically typed language

• TypeScript is an Object-Oriented Language, while JavaScript is an Object-Based Language

• TypeScript does not need compilation, while JavaScript takes more time as the code needs to be compiled

• TypeScript does not support modules, JavaScript does.

__________ is a loosely typed language. It can be difficult to understand what types of data are being passed around.

What command will you use to transpile your TypeScript code to JavaScript?

• npm

• transpile

• tsx

• tsc

It is used to configure TypeScript project settings.

• tsconfig.json file

• tsconfig.ts file

• tsconfig.yml file

• tsconfig.js file

What are the features of TypeScript? SELECT TWO.

• typed

• interface

• built-in objects

• dynamic

Give at least two advantages of TypeScript.

• Power of Object-oriented programming (OOP)

• No need for compile time checks

• Rich IDE support

• dynamic typing

TRUE or FALSE. TypeScript can be run or understood in any browser.

• TRUE

• FALSE

__________ is an Open Source Object Oriented programming language developed and maintained by Microsoft Corporation.