the bullet cant see to move at all

function bullet() {
    this.x=playerx;
    this.y=playery;
    this.init=function(){
        this.x+=5;
        draw(this.x,this.y,10,10,"blue");
        console.log(this.x)
    }
}

in another function

if(k.keyCode==17){
    bullets=new bullet();
    bullets.init();
}