Learning Ionic - Second Edition

Classes

I am a guy who believes that JavaScript is an object-based programming language and not an object-oriented programming language, and I know quite a lot of people who disagree with me.

In vanilla JavaScript, we have functions, which act like a class and exhibit prototype-based inheritance. In TypeScript/ES6, we have the class construct:

class Person {   name: string; constructor(personName: string) {  this.name = personName;  } getName {     return "The Name: " + this.greeting; }   } // somewhere else arvind:Person = new Person('Arvind');

In the preceding example, we have defined a class named Person and we are defining the class constructor, which accepts the name on initialization of the class.

To initialize the class, we will invoke the ...