Java Reference
In-Depth Information
exercise 3 Solution
<!DOCTYPE html>
<html lang="en">
<head>
<title>Chapter 5, Question 3</title>
</head>
<body>
<script>
function Person(firstName, lastName) {
this.firstName = firstName;
this.lastName = lastName;
}
Person.prototype.getFullName = function () {
return this.firstName + " " + this.lastName;
};
Person.prototype.greet = function (person) {
alert("Hello, " + person.getFullName() +
". I'm " + this.getFullName());
};
var johnDoe = new Person("John", "Doe");
var janeDoe = new Person("Jane", "Doe");
johnDoe.greet(janeDoe);
</script>
</body>
</html>
Save this as
ch5 _ question3.html
.
This is a simple matter of replacing the
createPerson()
function with the
Person
reference type
you defined at the end of Chapter 5.
To create your
Person
objects, you use the
new
operator when calling the
Person
constructor
function, passing in the first and last names of the people you want to represent.
Chapter 6
exercise 1 Question
What problem does the following code solve?
var myString = "This sentence has has a fault and and we need to fix it."
var myRegExp = /(\b\w+\b) \1/g;
myString = myString.replace(myRegExp,”$1”);
