Invocation as a constructor

//Invocation as a constructor

//Ninja is a Constructor
//should start with Capital letter
//creates a emply object{}


function Ninja() {
    this.skulk = function () {
        return this;
    };
}

// when assigning, use "new"
var ninja1 = new Ninja();
var ninja2 = new Ninja();


console.log(ninja1.skulk())
console.log(ninja2.skulk())