Tryit Editor v2.6

Edit This Code:
<!DOCTYPE html>
<html>
<body>

<p id="demo"></p>

<script>
function person(first, last, age, eye) {
    this.firstName = first;
    this.lastName = last;
    this.age = age;
    this.eyeColor = eye;
}

var myFather = new person("John", "Doe", 50, "blue");
var myMother = new person("Sally", "Rally", 48, "green");

document.getElementById("demo").innerHTML =
"My father is " + myFather.age + ". My mother is " + myMother.age; 
</script>

</body>

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</html>