ens_factory_functions_es6.js

class Hedgehog {
    constructor() {
        let speed = 10000; //this is private
        this.name = 'Sonic';
        this.zoom = function () {
            // can access both name and speed from here
            console.log(`${this.name} zooms with the speed of ${speed} miles per second!`);
        }
    }
 
 
    jump() {
        // cannot access speed from here
        console.log(`${this.name} jumps on top of the building!`);
    }
 
}