Write JavaScript program to create "person" object with properties firstname, lastname, age, eye color, delete eye color property and display remaining properties of person object.
<html>
<head>
<title>delete operator Demo</title>
</head>
<body>
<script type="text/javascript">
var person = {firstName: "John", lastName: "Smith", age: 30, eyeColor: "Black"};
document.write("First name: " + person.firstName+"<br>");
document.write("Last name: " + person.lastName+"<br>");
document.write("Age: " + person.age+"<br>");
document.write("Eye Color: " + person.eyeColor+"<br>");
delete person.eyeColor; // deleting age property from person
if("eyeColor" in person)
document.write("Eye Color property is available");
else
document.write("Eye Color property is not available");
</script>
</body>
</html>
