​x
 
<!DOCTYPE html>
<html>
<body>
​
<p id="demo"></p>
​
<script>
var person = new Object();
person.firstName = "Bill";
person.lastName = "Gates";
person.age = 50;
person.eyeColor = "blue"; 
​
document.getElementById("demo").innerHTML =
person.firstName + " is " + person.age + " years old.";
</script>
​
</body>
</html>
​