Essential TypeScript by Adam Freeman

Author:Adam Freeman
Language: eng
Format: epub, pdf
ISBN: 9781484249796
Publisher: Apress

let data: Person[] = [new Employee("fvega", "Fidel Vega", "Sales", "Paris"),

new Customer("ajones", "Alice Jones", "London", 500)];

data.push(new Supplier("dpeters", "Dora Peters", "New York", "Acme"));

data.forEach(item => console.log(item.getDetails()));

Listing 11-14.Defining an Abstract Class in the index.ts File in the src Folder

Abstract classes are created using the abstract keyword before the class keyword, as shown in Figure 11-4.

Figure 11-4.Defining an abstract class

The abstract keyword is also applied to individual methods, which are defined without a body, as shown in Figure 11-5.

Figure 11-5.Defining an abstract method

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