<!DOCTYPE html>
<html>
<body>
<h2>JavaScript 对象</h2>
<p id="demo"></p>
<script>
function Person(first, last, age, eye) { this.firstName = first;
this.lastName = last;
this.age = age;
this.eyeColor = eye;
this.nationality = "English";
}
var myFather = new Person("John", "Doe", 50, "blue");var myMother = new Person("Sally", "Rally", 48, "green");
document.getElementById("demo").innerHTML ="The nationality of my father is " + myFather.nationality + ". The nationality of my mother is " + myMother.nationality;
</script>
</body>
</html>