document.getElementById('image3').addEventListener("click",createImage3);
document.body.addEventListener("keypress",aprietaTecla,false);
   document.getElementById('image2').addEventListener("mouseover",dentro);
   document.getElementById('image2').addEventListener("mouseout",fuera);
 
function aprietaTecla(evt){
   var charCode = evt.keyCode || evt.which;
   var charStr = String.fromCharCode(charCode);
   console.log(charStr);
 
};
let ratonEncima=false;
function dentro(){
   ratonEncima=true;
}
function fuera(){
   ratonEncima=false;
}