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      Instruction
      
            
    Solution: Adding New Properties to the Book Class
          Solution for Adding New Properties to the Book Class
The updated constructor method for the Book class should look like this:
class Book {
    constructor(title, author, isbn) {
        this.title = title;
        this.author = author;
        this.isbn = isbn;
        this.patron = null;
        this.dueDate = null;
        this.out = false;
    }
}
The patron and dueDate properties are se...