Angular class constructor

TypeScript defines a constructor using the constructor keyword . A constructor is a function and hence can be parameterized. The this keyword refers to the current instance of the class. Here, the parameter name and the name of the class’s field are the same.1 Ağu 2010

When should we use classes and interfaces? If you want to create and pass a type-checked class object, you should use TypeScript classes . If you need to work without creating an object, an interface is best for you.

The following is an example of a class in TypeScript:

Correct. Classes in TypeScript do not require you to explicitly write a constructor . However if you are extending a base class you will need to create a constructor to call super() at a minimum.