April 2018
Beginner
536 pages
13h 21m
English
TypeScript tries to find the types of the variables and objects in our application using what is known as type inference. When we declare a variable, TypeScript will try to observe the value assigned to the variables in the application to identify its type. Let's examine some examples:
let myVariable1 = 3;
The type of the variable myVariable1 is inferred as a number.
let myVariable2 = "Hello";
The type of the variable myVariable2 is inferred as a string.
let myVariable3 = { name: "Remo", surname: "Jansen", age: 29};
The type of the variable myVariable3 is inferred as the following type:
{ name: string; surname: string; age: number; }
The type any is assigned in the cases in which TypeScript is not able to identify the type ...