Skip to Content
Learning TypeScript 2.x - Second Edition
book

Learning TypeScript 2.x - Second Edition

by Remo H. Jansen
April 2018
Beginner content levelBeginner
536 pages
13h 21m
English
Packt Publishing
Content preview from Learning TypeScript 2.x - Second Edition

Class expressions

We can use two different APIs to declare a class. The first one is the class declaration syntax that we used during the preceding section. The second one is an alternative syntax known as a class expression.

The following code snippet redeclares the Person class that we declared in the preceding section using the class expression syntax:

const Person = class { 
    public constructor( 
        public name: string, 
        public surname: string, 
        public email: string 
    ) {} 
    public greet() { 
        console.log("Hi!"); 
    } 
}; 

There are no differences between the creation of an instance of a class declared using the class expression syntax and one declared using the class declaration syntax:

const person = new Person( "Remo", "Jansen", "remo.jansen@wolksoftware.com" ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Mastering TypeScript - Fourth Edition

Mastering TypeScript - Fourth Edition

Nathan Rozentals
Learning TypeScript

Learning TypeScript

Josh Goldberg
TypeScript for Beginners

TypeScript for Beginners

Bharath Thippireddy

Publisher Resources

ISBN: 9781788391474Supplemental Content