function Polite() {

    this.press = "Such pressing";
    this.release = "and what a nice release!"


    this.greet = function(d) {

        if (d == "press") {

            console.log(this.press);

        } else if (d == "release") {

            console.log(this.release);

        };
    };


    this.route = function(e) {
        if (e.type == "keydown") {

            this.greet("press");

        } else if (e.type == "keyup") {

            this.greet("release");

        };
    };

};


var fine = new Polite();

document.addEventListener("keydown", fine.route);
document.addEventListener("keyup", fine.route);

console.log("To start, please press a button.");