Get Programming with JavaScript - Listing 3.01
    
        Listing 3.01 - Using variables to represent a book
        JS Bin
        
var bookTitle;
var bookAuthor;
bookTitle = "The Hobbit";
bookAuthor = "J. R. R. Tolkien";
console.log(bookTitle + " by " + bookAuthor);
        
     
    Further Adventures
    
        Listing 3.01 - Using variables to represent a book - Tasks 1 and 2
        
            - Declare variables for a second book and assign them values.
 
            - Add code to log its details to the console.
 
        
        
var bookTitle;
var bookAuthor;
var book2Title;     // declare variables
var book2Author;    //
bookTitle = "The Hobbit";
bookAuthor = "J. R. R. Tolkien";
book2Title = "Northern Lights";    // assign them values
book2Author = "Philip Pullman";    //
console.log(bookTitle + " by " + bookAuthor);
console.log(book2Title + " by " + book2Author);    // log details
        
     
    
        Listing 3.01 - Using variables to represent a book - Task 3
        
            - Repeat tasks 1 and 2 for a third book.
 
        
        
var bookTitle;
var bookAuthor;
var book2Title;
var book2Author;
var book3Title;
var book3Author;
bookTitle = "The Hobbit";
bookAuthor = "J. R. R. Tolkien";
book2Title = "Northern Lights";
book2Author = "Philip Pullman";
book3Title = "The Adventures of Tom Sawyer";
book3Author = "Mark Twain";
console.log(bookTitle + " by " + bookAuthor);
console.log(book2Title + " by " + book2Author);
console.log(book3Title + " by " + book3Author);