SOURCE

class Shape {
 
    area: number;
    color: string;
 
    constructor ( name: string, width: number, height: number ) {
        this.area = width * height;
        this.color = "pink";
    };
 
    shoutout() {
        return "I'm " + this.color + " " + this.name +  " with an area of " + this.area + " cm squared.";
    }
}
var square = new Shape("square", 30, 30);
 
console.log( square.shoutout() );
console.log( 'Area of Shape: ' + square.area );
console.log( 'Name of Shape: ' + square.name );
console.log( 'Color of Shape: ' + square.color );
console.log( 'Width of Shape: ' + square.width );
console.log( 'Height of Shape: ' + square.height );