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<!DOCTYPE html>
<html>
<body>
​
<h2>JavaScript Objects</h2>
<p>Display object properties:</p>
​
<p id="demo"></p>
​
<script>
const person = {
  name: "John",
  age: 30,
  city: "New York"
};
​
let txt = "";
for (let x in person) {
  txt += person[x] + " ";
};
​
document.getElementById("demo").innerHTML = txt;
</script>
​
</body>
</html>
​