TypeScript

Question 1

Built in types

Answer 1

All built in types of JS (Undefined, Null, String, Number, BigInT, Boolean and Symbol) + any, unknown, never, enum, tuple

Question 2

What is the meaning of “any” type?

Answer 2

It accepts literally any type of value. Try to avoid this

Question 3

What is a “Tuple” data type?

Answer 3

is a fixed-length array which each element has a particular type. A good practice is to made it just for two values

Question 4

What is a “Enum” data type?

Answer 4

A list of constants values

Question 5

What is “Literal Types” ?

Answer 5

They’re a way to represent specific exact values that a variable or property can hold