completed library and book functions

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "liveServer.settings.port": 5501
+}

main.js

@@ -1 +1,72 @@
 // write your code here to make the tests pass
+
+var Library = function() {
+
+    var books = [];
+
+    var addBook = function(book) {
+
+        books.push(book);
+
+    } //end addBook
+
+    var checkOutBook = function(book) {
+
+        if (books.includes(book))
+            book.setAttribute('checkedOut', true);
+
+        else
+            console.log('Book does not exist in the library');
+
+    } //end checkOutBook
+
+    var returnBook = function(book) {
+
+        if (books.includes(book))
+            book.setAttribute('checkedOut', false);
+
+        else
+            console.log('Book does not exist in the library');
+
+    } //end returnBook
+
+    return {
+
+        books: books,
+        addBook: addBook,
+        checkOutBook: checkOutBook,
+        returnBook: returnBook
+
+    };
+
+} //end Library
+
+var Book = function(title, author) {
+
+    let attributes = {
+        checkedOut: false,
+        title: title,
+        author: author
+    }
+
+    var getAttribute = function(attribute) {
+
+        return attributes[attribute];
+
+    } //getBookAttribute
+
+    var setAttribute = function(attribute,data) {
+
+        if (attributes.hasOwnProperty(attribute))
+            attributes[attribute] = data;
+
+    } //end setBookAttribute
+
+    return {
+
+        getAttribute,
+        setAttribute
+
+    };
+
+} //end Book