let output = document.getElementById("output");
    
let dino = { art: "T-Rex", beine: 5, food: "meat" };
let schluessel = Object.keys(dino);
//let eigenschaft = Object.values(dino);


for (let i = 0; i < schluessel.length; i++) {
  let key = schluessel[i];
  console.log(key);
  console.log(dino[key]);
  output.innerHTML += key + ": " + dino[key] + "<br>";
}