OMENSAH
10/30/2017 - 7:21 AM

dataChange.js


class Person {
    constructor(firstName) {
        this.s_firstname = firstName;
    }

    log() {
        console.log('I am', this.s_firstname);
    }
    
}

let p = new Person("Oliver")
p.log(); // I am Oliver
p.s_firstname = "Nana";
p.log()// I am Nana