CodeYourFuture · MacDonald91 · Apr 10, 2026
diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
@@ -1,19 +1,19 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <title> </title>
-    <meta
-      charset="utf-8"
-      name="viewport"
-      content="width=device-width, initial-scale=1.0"
-    />
+    <title>Library App</title>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+
+    <!-- Bootstrap -->
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
     <link
       rel="stylesheet"
       href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"
     />
+
     <link rel="stylesheet" type="text/css" href="style.css" />
   </head>
 
@@ -23,28 +23,32 @@ <h1>Library</h1>
       <p>Add books to your virtual library</p>
     </div>
 
+    <!-- Toggle Form -->
     <button data-toggle="collapse" data-target="#demo" class="btn btn-info">
       Add new book
     </button>
 
+    <!-- Form -->
     <div id="demo" class="collapse">
       <div class="form-group">
         <label for="title">Title:</label>
         <input
-          type="title"
+          type="text"
           class="form-control"
           id="title"
           name="title"
           required
         />
-        <label for="author">Author: </label>
+
+        <label for="author">Author:</label>
         <input
-          type="author"
+          type="text"
           class="form-control"
           id="author"
           name="author"
           required
         />
+
         <label for="pages">Pages:</label>
         <input
           type="number"
@@ -53,23 +57,23 @@ <h1>Library</h1>
           name="pages"
           required
         />
+
         <label class="form-check-label">
           <input
             type="checkbox"
             class="form-check-input"
             id="check"
-            value=""
-          />Read
+          />
+          Read
         </label>
-        <input
-          type="submit"
-          value="Submit"
-          class="btn btn-primary"
-          onclick="submit();"
-        />
+
+        <button class="btn btn-primary mt-2" onclick="submit()">
+          Submit
+        </button>
       </div>
     </div>
 
+    <!-- Table -->
     <table class="table" id="display">
       <thead class="thead-dark">
         <tr>
@@ -81,16 +85,11 @@ <h1>Library</h1>
         </tr>
       </thead>
       <tbody>
-        <tr>
-          <td></td>
-          <td></td>
-          <td></td>
-          <td></td>
-          <td></td>
-        </tr>
+        <!-- JS will populate rows here -->
       </tbody>
     </table>
 
+    <!-- Scripts -->
     <script src="script.js"></script>
   </body>
-</html>
+</html>
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
@@ -1,103 +1,108 @@
 let myLibrary = [];
 
-window.addEventListener("load", function (e) {
+window.addEventListener("load", function () {
   populateStorage();
   render();
 });
 
 function populateStorage() {
-  if (myLibrary.length == 0) {
-    let book1 = new Book("Robison Crusoe", "Daniel Defoe", "252", true);
+  if (myLibrary.length === 0) {
+    let book1 = new Book("Robinson Crusoe", "Daniel Defoe", "252", true);
     let book2 = new Book(
       "The Old Man and the Sea",
       "Ernest Hemingway",
       "127",
       true
     );
-    myLibrary.push(book1);
-    myLibrary.push(book2);
-    render();
+    myLibrary.push(book1, book2);
   }
 }
 
+// FORM INPUTS
 const title = document.getElementById("title");
 const author = document.getElementById("author");
 const pages = document.getElementById("pages");
 const check = document.getElementById("check");
 
-//check the right input from forms and if its ok -> add the new book (object in array)
-//via Book function and start render function
+// ADD BOOK
 function submit() {
   if (
-    title.value == null ||
-    title.value == "" ||
-    pages.value == null ||
-    pages.value == ""
+    title.value === "" ||
+    author.value === "" ||
+    pages.value === ""
   ) {
     alert("Please fill all fields!");
-    return false;
-  } else {
-    let book = new Book(title.value, title.value, pages.value, check.checked);
-    library.push(book);
-    render();
+    return;
   }
+
+  let book = new Book(
+    title.value,
+    author.value,       // ✅ FIXED (was using title twice)
+    pages.value,
+    check.checked       // ✅ FIXED (correct checkbox value)
+  );
+
+  myLibrary.push(book); // ✅ FIXED (was "library")
+  render();
 }
 
+// BOOK OBJECT
 function Book(title, author, pages, check) {
   this.title = title;
   this.author = author;
   this.pages = pages;
   this.check = check;
 }
 
+// RENDER TABLE
 function render() {
   let table = document.getElementById("display");
+
+  // CLEAR OLD ROWS
   let rowsNumber = table.rows.length;
-  //delete old table
-  for (let n = rowsNumber - 1; n > 0; n-- {
+  for (let n = rowsNumber - 1; n > 0; n--) { // ✅ FIXED SYNTAX
     table.deleteRow(n);
   }
-  //insert updated row and cells
-  let length = myLibrary.length;
-  for (let i = 0; i < length; i++) {
+
+  // ADD ROWS
+  for (let i = 0; i < myLibrary.length; i++) {
     let row = table.insertRow(1);
+
     let titleCell = row.insertCell(0);
     let authorCell = row.insertCell(1);
     let pagesCell = row.insertCell(2);
     let wasReadCell = row.insertCell(3);
     let deleteCell = row.insertCell(4);
+
     titleCell.innerHTML = myLibrary[i].title;
     authorCell.innerHTML = myLibrary[i].author;
     pagesCell.innerHTML = myLibrary[i].pages;
 
-    //add and wait for action for read/unread button
+    // READ BUTTON
     let changeBut = document.createElement("button");
-    changeBut.id = i;
     changeBut.className = "btn btn-success";
-    wasReadCell.appendChild(changeBut);
-    let readStatus = "";
-    if (myLibrary[i].check == false) {
-      readStatus = "Yes";
-    } else {
-      readStatus = "No";
-    }
+
+    let readStatus = myLibrary[i].check ? "Yes" : "No"; // ✅ FIXED
     changeBut.innerText = readStatus;
 
     changeBut.addEventListener("click", function () {
       myLibrary[i].check = !myLibrary[i].check;
       render();
     });
 
-    //add delete button to every row and render again
-    let delButton = document.createElement("button");
-    delBut.id = i + 5;
-    deleteCell.appendChild(delBut);
+    wasReadCell.appendChild(changeBut);
+
+    // DELETE BUTTON
+    let delBut = document.createElement("button"); // ✅ FIXED NAME
     delBut.className = "btn btn-warning";
     delBut.innerHTML = "Delete";
-    delBut.addEventListener("clicks", function () {
-      alert(`You've deleted title: ${myLibrary[i].title}`);
+
+    delBut.addEventListener("click", function () { // ✅ FIXED EVENT
+      alert(`You've deleted: ${myLibrary[i].title}`);
       myLibrary.splice(i, 1);
       render();
     });
+
+    deleteCell.appendChild(delBut);
   }
-}
+}