Get Programming with JavaScript - Listing 5.02

Get Programming with JavaScript - Listing 5.02

Listing 5.02 - Breaking a function by changing a variable name

var msg;
var showMessage;

msg = "It's full of stars!";

showMessage = function () {
    console.log(message);
};

showMessage();

Further Adventures

Listing 5.02 - Breaking a function by changing a variable name - Task 1

Update the console.log so the program works.

var msg;
var showMessage;

msg = "It's full of stars!";

showMessage = function () {
    console.log(msg);    // Use the correct variable
};

showMessage();

Listing 5.02 - Breaking a function by changing a variable name - Tasks 2 & 3

Declare another message variable and assign it a value.
Display the new message as well as the old one.

var msg;
var msg2;    // Declare a variable
var showMessage;

msg = "It's full of stars!";
msg2 = "We choose to go.";    // Assign a value

showMessage = function () {
    console.log(msg);
    console.log(msg2);    // Display the new message
};

showMessage();

Listing 5.02 - Breaking a function by changing a variable name - Task 4

Display a single message created by joining the two strings.

var msg;
var msg2;
var showMessage;

msg = "It's full of stars!";
msg2 = "We choose to go.";

showMessage = function () {
    console.log(msg + " " + msg2);    // Display a single message
};

showMessage();