Learn React with TypeScript 3

Questions

Here are some questions to test what you have learned in this first chapter. The answers can be found in the appendix.

Good luck!

1. What are the 5 primitive types?
2. What would the inferred type be for the flag variable be in the following code?

 const flag = false;

3. What's the difference between an interface and a type alias?
4. What is wrong with the following code? How could this be resolved?

class Product {  constructor(public name: string, public unitPrice: number) {}}let table = new Product();table.name = "Table";table.unitPrice = 700;

5. If we want our TypeScript program to support IE11, what should the compiler--target option be?
6. Is it possible to get the TypeScript compiler to transpile ES6 .js files? If so, how?
7. How can we prevent ...