From 686f27dbd4697e6c6056716c771565b1979dc226 Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Wed, 5 Aug 2026 22:31:11 +0100
Subject: [PATCH 01/22]  added the closing parenthesis in the for loop

---
 .vscode/settings.json            | 3 +++
 debugging/book-library/script.js | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)
 create mode 100644 .vscode/settings.json

diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 00000000..6b665aaa
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+  "liveServer.settings.port": 5501
+}
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..7f21dc1d 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -54,7 +54,7 @@ function render() {
   let table = document.getElementById("display");
   let rowsNumber = table.rows.length;
   //delete old table
-  for (let n = rowsNumber - 1; n > 0; n-- {
+  for (let n = rowsNumber - 1; n > 0; n-- ){
     table.deleteRow(n);
   }
   //insert updated row and cells

From 11d4e80899713c6fa058fe7d4665ab32be82c300 Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Wed, 5 Aug 2026 22:35:28 +0100
Subject: [PATCH 02/22] used the correct variable name myLibrary inside the
 submit function

---
 debugging/book-library/script.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 7f21dc1d..3108e77f 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -38,7 +38,8 @@ function submit() {
     return false;
   } else {
     let book = new Book(title.value, title.value, pages.value, check.checked);
-    library.push(book);
+   myLibrary.push(book);
+
     render();
   }
 }

From 9acc8841419a9763eff39049bc7914715cfe5b01 Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Wed, 5 Aug 2026 22:37:47 +0100
Subject: [PATCH 03/22]  added the autho.value by deleting one of the
 title.value that was passed twice

---
 debugging/book-library/script.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 3108e77f..8e45c87e 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -37,7 +37,7 @@ function submit() {
     alert("Please fill all fields!");
     return false;
   } else {
-    let book = new Book(title.value, title.value, pages.value, check.checked);
+    let book = new Book(title.value, author.value, pages.value, check.checked);
    myLibrary.push(book);
 
     render();

From 127e4f435f1a85e8d24c5df3aaeb292d2fe6cf0d Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Wed, 5 Aug 2026 22:41:40 +0100
Subject: [PATCH 04/22]  changed every instance of delBut with delButton

---
 debugging/book-library/script.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 8e45c87e..6e6f1e81 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -91,11 +91,11 @@ function render() {
 
     //add delete button to every row and render again
     let delButton = document.createElement("button");
-    delBut.id = i + 5;
+    delButton = i + 5;
     deleteCell.appendChild(delBut);
-    delBut.className = "btn btn-warning";
-    delBut.innerHTML = "Delete";
-    delBut.addEventListener("clicks", function () {
+    delButton.className = "btn btn-warning";
+    delButton.innerHTML = "Delete";
+    delButton.addEventListener("clicks", function () {
       alert(`You've deleted title: ${myLibrary[i].title}`);
       myLibrary.splice(i, 1);
       render();

From 8314db5b49b7a9d89e167511e9371edf16a624bb Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Wed, 5 Aug 2026 22:43:17 +0100
Subject: [PATCH 05/22]  correct the event name by it correct name click

---
 debugging/book-library/script.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 6e6f1e81..46e1fabb 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -95,7 +95,7 @@ function render() {
     deleteCell.appendChild(delBut);
     delButton.className = "btn btn-warning";
     delButton.innerHTML = "Delete";
-    delButton.addEventListener("clicks", function () {
+    delButton.addEventListener("click", function () {
       alert(`You've deleted title: ${myLibrary[i].title}`);
       myLibrary.splice(i, 1);
       render();

From 8c9db43870853b9ef394dbae4675e4a3c7a815d6 Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Wed, 5 Aug 2026 22:45:07 +0100
Subject: [PATCH 06/22]  changed the wrong logically check from false to yes

---
 debugging/book-library/script.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 46e1fabb..2b1fb4a5 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -77,7 +77,7 @@ function render() {
     changeBut.className = "btn btn-success";
     wasReadCell.appendChild(changeBut);
     let readStatus = "";
-    if (myLibrary[i].check == false) {
+    if (myLibrary[i].check == true) {
       readStatus = "Yes";
     } else {
       readStatus = "No";

From f839c7baeb75798b14fb65dd65ed4ff2d6ccf282 Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Wed, 5 Aug 2026 22:50:05 +0100
Subject: [PATCH 07/22]  added additional validation for book's author

---
 debugging/book-library/script.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 2b1fb4a5..7671d9ff 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -31,6 +31,8 @@ function submit() {
   if (
     title.value == null ||
     title.value == "" ||
+    author.value == null ||
+    author.value == "" ||
     pages.value == null ||
     pages.value == ""
   ) {
@@ -38,7 +40,7 @@ function submit() {
     return false;
   } else {
     let book = new Book(title.value, author.value, pages.value, check.checked);
-   myLibrary.push(book);
+    myLibrary.push(book);
 
     render();
   }

From ab117d66a05cdf2b852472420b84597ee7a5bf8e Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Wed, 5 Aug 2026 22:53:25 +0100
Subject: [PATCH 08/22]  remove the table element from the index.html

---
 debugging/book-library/index.html | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
index 23acfa71..8b2308fe 100644
--- a/debugging/book-library/index.html
+++ b/debugging/book-library/index.html
@@ -80,15 +80,7 @@ <h1>Library</h1>
           <th></th>
         </tr>
       </thead>
-      <tbody>
-        <tr>
-          <td></td>
-          <td></td>
-          <td></td>
-          <td></td>
-          <td></td>
-        </tr>
-      </tbody>
+      
     </table>
 
     <script src="script.js"></script>

From 55bfed47d842d65e87d3d849ca3a4699dd2a2c23 Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Wed, 5 Aug 2026 22:59:04 +0100
Subject: [PATCH 09/22]  add the button ID

---
 debugging/book-library/script.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 7671d9ff..2529c6b2 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -93,7 +93,7 @@ function render() {
 
     //add delete button to every row and render again
     let delButton = document.createElement("button");
-    delButton = i + 5;
+    delButton.id = i + 5;
     deleteCell.appendChild(delBut);
     delButton.className = "btn btn-warning";
     delButton.innerHTML = "Delete";

From ab20798e95d88b184211b5f78e68311404b91997 Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Wed, 5 Aug 2026 22:59:59 +0100
Subject: [PATCH 10/22]   appen the corrent variable name delButton

---
 debugging/book-library/script.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 2529c6b2..c1d9ad63 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -94,7 +94,7 @@ function render() {
     //add delete button to every row and render again
     let delButton = document.createElement("button");
     delButton.id = i + 5;
-    deleteCell.appendChild(delBut);
+    deleteCell.appendChild(delButton);
     delButton.className = "btn btn-warning";
     delButton.innerHTML = "Delete";
     delButton.addEventListener("click", function () {

From 2606f98d6fe1f6fa015733458815ab6c4ff8e550 Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Wed, 5 Aug 2026 23:02:40 +0100
Subject: [PATCH 11/22]  let the row start to add from top

---
 .vscode/settings.json            | 3 ---
 debugging/book-library/script.js | 2 +-
 2 files changed, 1 insertion(+), 4 deletions(-)
 delete mode 100644 .vscode/settings.json

diff --git a/.vscode/settings.json b/.vscode/settings.json
deleted file mode 100644
index 6b665aaa..00000000
--- a/.vscode/settings.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "liveServer.settings.port": 5501
-}
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index c1d9ad63..d706727d 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -63,7 +63,7 @@ function render() {
   //insert updated row and cells
   let length = myLibrary.length;
   for (let i = 0; i < length; i++) {
-    let row = table.insertRow(1);
+    let row = table.insertRow(-1);
     let titleCell = row.insertCell(0);
     let authorCell = row.insertCell(1);
     let pagesCell = row.insertCell(2);

From 41cc5fb73c0c27c6fd7dc85a83065e578d15c57c Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Mon, 10 Aug 2026 13:18:44 +0100
Subject: [PATCH 12/22]  Removed all the syntax error in the index.html file

---
 .vscode/settings.json             |  3 +++
 debugging/book-library/index.html | 23 ++++++++++++-----------
 2 files changed, 15 insertions(+), 11 deletions(-)
 create mode 100644 .vscode/settings.json

diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 00000000..6b665aaa
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+  "liveServer.settings.port": 5501
+}
diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
index 8b2308fe..28e2a1de 100644
--- a/debugging/book-library/index.html
+++ b/debugging/book-library/index.html
@@ -1,10 +1,10 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
   <head>
-    <title> </title>
+    <title>Book Library </title>
     <meta
-      charset="utf-8"
-      name="viewport"
+      charset="utf-8">
+      <meta name="viewport"
       content="width=device-width, initial-scale=1.0"
     />
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
@@ -28,10 +28,10 @@ <h1>Library</h1>
     </button>
 
     <div id="demo" class="collapse">
-      <div class="form-group">
+      <form id="bookForm" class="form-group">
         <label for="title">Title:</label>
         <input
-          type="title"
+          type="text" 
           class="form-control"
           id="title"
           name="title"
@@ -39,7 +39,7 @@ <h1>Library</h1>
         />
         <label for="author">Author: </label>
         <input
-          type="author"
+          type="text"
           class="form-control"
           id="author"
           name="author"
@@ -65,10 +65,10 @@ <h1>Library</h1>
           type="submit"
           value="Submit"
           class="btn btn-primary"
-          onclick="submit();"
+          onclick="handlesubmit();"
         />
+       </form>
       </div>
-    </div>
 
     <table class="table" id="display">
       <thead class="thead-dark">
@@ -80,9 +80,10 @@ <h1>Library</h1>
           <th></th>
         </tr>
       </thead>
+      <tbody></tbody>
       
     </table>
 
-    <script src="script.js"></script>
+    <script src="script.js" type="module"></script>
   </body>
-</html>
+</html>
\ No newline at end of file

From 25eb25edb3c1dbc852d08a3fc4148721ecf647b4 Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Mon, 10 Aug 2026 13:40:05 +0100
Subject: [PATCH 13/22]  change the variable declation of myLibrary with const
 as it will never change

---
 debugging/book-library/script.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index d706727d..ea23430a 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,4 +1,5 @@
-let myLibrary = [];
+// Data store this variable never changes
+const myLibrary = [];
 
 window.addEventListener("load", function (e) {
   populateStorage();

From 093b70c76abb6bcc3ce29332bb9a644b23f99e61 Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Mon, 10 Aug 2026 13:44:05 +0100
Subject: [PATCH 14/22]  give meaningful varaible name in the DOM nodes

---
 debugging/book-library/script.js | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index ea23430a..2aea7936 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -21,10 +21,11 @@ function populateStorage() {
   }
 }
 
-const title = document.getElementById("title");
-const author = document.getElementById("author");
-const pages = document.getElementById("pages");
-const check = document.getElementById("check");
+const titleInput = document.getElementById("title");
+const authorInput = document.getElementById("author");
+const pagesInput = document.getElementById("pages");
+const readCheck = document.getElementById("check");
+const tableBody = document.querySelector("#display tbody");
 
 //check the right input from forms and if its ok -> add the new book (object in array)
 //via Book function and start render function

From ecd8a2f82f8ca6900b8cf147a47977e20c935592 Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Mon, 10 Aug 2026 13:45:43 +0100
Subject: [PATCH 15/22]  removes the seond render call when window laods

---
 debugging/book-library/script.js | 1 -
 1 file changed, 1 deletion(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 2aea7936..d55604e9 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -3,7 +3,6 @@ const myLibrary = [];
 
 window.addEventListener("load", function (e) {
   populateStorage();
-  render();
 });
 
 function populateStorage() {

From e18af51592e83ffa9c5b468c2125d3fb29ab0d6b Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Mon, 10 Aug 2026 13:51:09 +0100
Subject: [PATCH 16/22]  create a book model class

---
 debugging/book-library/script.js | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index d55604e9..237aa457 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,6 +1,25 @@
 // Data store this variable never changes
 const myLibrary = [];
 
+// DOM nodes 
+const titleInput = document.getElementById("title");
+const authorInput = document.getElementById("author");
+const pagesInput = document.getElementById("pages");
+const readCheck = document.getElementById("check");
+const tableBody = document.querySelector("#display tbody");
+
+
+
+// Book model
+class Book {
+  constructor(title, author, pages, read) {
+    this.title = title;
+    this.author = author;
+    this.pages = pages;
+    this.read = read;
+  }
+}
+
 window.addEventListener("load", function (e) {
   populateStorage();
 });
@@ -20,11 +39,6 @@ function populateStorage() {
   }
 }
 
-const titleInput = document.getElementById("title");
-const authorInput = document.getElementById("author");
-const pagesInput = document.getElementById("pages");
-const readCheck = document.getElementById("check");
-const tableBody = document.querySelector("#display tbody");
 
 //check the right input from forms and if its ok -> add the new book (object in array)
 //via Book function and start render function

From 402f3c037fe0db9431ec9ec3aacc67ae381af314 Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Mon, 10 Aug 2026 13:54:36 +0100
Subject: [PATCH 17/22]  add the default book load onec

---
 debugging/book-library/script.js | 17 +++++------------
 1 file changed, 5 insertions(+), 12 deletions(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 237aa457..75761cb8 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -19,22 +19,15 @@ class Book {
     this.read = read;
   }
 }
-
+// initial load 
 window.addEventListener("load", function (e) {
   populateStorage();
 });
-
+// Add default books only once
 function populateStorage() {
-  if (myLibrary.length == 0) {
-    let book1 = new Book("Robison 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);
+  if (myLibrary.length === 0) {
+    myLibrary.push(new Book("Robinson Crusoe", "Daniel Defoe", 252, true));
+    myLibrary.push(new Book("The Old Man and the Sea", "Ernest Hemingway", 127, true));
     render();
   }
 }

From 57d4d12071f1e6dad291b5a7882181b60d95aecd Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Mon, 10 Aug 2026 13:57:21 +0100
Subject: [PATCH 18/22]  handle form submission

---
 debugging/book-library/script.js | 39 ++++++++++++--------------------
 1 file changed, 14 insertions(+), 25 deletions(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75761cb8..9d975654 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -32,35 +32,24 @@ function populateStorage() {
   }
 }
 
+// Handle form submission
+function handleSubmit() {
+  const title = titleInput.value.trim();
+  const author = authorInput.value.trim();
+  const pages = Number(pagesInput.value);
 
-//check the right input from forms and if its ok -> add the new book (object in array)
-//via Book function and start render function
-function submit() {
-  if (
-    title.value == null ||
-    title.value == "" ||
-    author.value == null ||
-    author.value == "" ||
-    pages.value == null ||
-    pages.value == ""
-  ) {
-    alert("Please fill all fields!");
-    return false;
-  } else {
-    let book = new Book(title.value, author.value, pages.value, check.checked);
-    myLibrary.push(book);
-
-    render();
+  if (!title || !author || !pages || pages <= 0) {
+    showMessage("Please enter valid book details.");
+    return;
   }
-}
 
-function Book(title, author, pages, check) {
-  this.title = title;
-  this.author = author;
-  this.pages = pages;
-  this.check = check;
-}
+  const book = new Book(title, author, pages, readCheckbox.checked);
+  myLibrary.push(book);
 
+  render();
+  showMessage(`Added "${title}" to your library.`);
+}
+ 
 function render() {
   let table = document.getElementById("display");
   let rowsNumber = table.rows.length;

From 9902cfc8d5579a409cf4d5fe39a03a297d7f43ed Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Mon, 10 Aug 2026 14:03:52 +0100
Subject: [PATCH 19/22]  implement render Table , toggleread button and delete
 button

---
 debugging/book-library/script.js | 71 +++++++++++++-------------------
 1 file changed, 28 insertions(+), 43 deletions(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 9d975654..8b0cad8d 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -50,54 +50,39 @@ function handleSubmit() {
   showMessage(`Added "${title}" to your library.`);
 }
  
+// Render table
 function render() {
-  let table = document.getElementById("display");
-  let rowsNumber = table.rows.length;
-  //delete old table
-  for (let n = rowsNumber - 1; n > 0; n-- ){
-    table.deleteRow(n);
-  }
-  //insert updated row and cells
-  let length = myLibrary.length;
-  for (let i = 0; i < 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;
+  tableBody.innerHTML = "";
+
+  myLibrary.forEach((book, index) => {
+    const row = tableBody.insertRow();
 
-    //add and wait for action for read/unread button
-    let changeBut = document.createElement("button");
-    changeBut.id = i;
-    changeBut.className = "btn btn-success";
-    wasReadCell.appendChild(changeBut);
-    let readStatus = "";
-    if (myLibrary[i].check == true) {
-      readStatus = "Yes";
-    } else {
-      readStatus = "No";
-    }
-    changeBut.innerText = readStatus;
+    row.insertCell().textContent = book.title;
+    row.insertCell().textContent = book.author;
+    row.insertCell().textContent = book.pages;
 
-    changeBut.addEventListener("click", function () {
-      myLibrary[i].check = !myLibrary[i].check;
+    // Toggle read button
+    const readCell = row.insertCell();
+    const toggleReadBtn = document.createElement("button");
+    toggleReadBtn.className = "btn btn-success btn-sm";
+    toggleReadBtn.textContent = book.read ? "Yes" : "No";
+    toggleReadBtn.addEventListener("click", () => {
+      book.read = !book.read;
       render();
     });
-
-    //add delete button to every row and render again
-    let delButton = document.createElement("button");
-    delButton.id = i + 5;
-    deleteCell.appendChild(delButton);
-    delButton.className = "btn btn-warning";
-    delButton.innerHTML = "Delete";
-    delButton.addEventListener("click", function () {
-      alert(`You've deleted title: ${myLibrary[i].title}`);
-      myLibrary.splice(i, 1);
+    readCell.appendChild(toggleReadBtn);
+    // Delete button
+    const deleteCell = row.insertCell();
+    const deleteBtn = document.createElement("button");
+    deleteBtn.className = "btn btn-warning btn-sm";
+    deleteBtn.textContent = "Delete";
+    deleteBtn.addEventListener("click", () => {
+      myLibrary.splice(index, 1);
       render();
+      showMessage(`Deleted "${book.title}".`);
     });
-  }
+    deleteCell.appendChild(deleteBtn);
+  });
 }
+
+

From 71dadca17393fd6ef090b298d82279fa47356228 Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Mon, 10 Aug 2026 14:37:17 +0100
Subject: [PATCH 20/22]  Added the non Blocking mesage and fixed the bug in
 handleSubmit name in index.html file

---
 debugging/book-library/index.html |  5 +++--
 debugging/book-library/script.js  | 13 +++++++++++--
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
index 28e2a1de..0c9ca2f1 100644
--- a/debugging/book-library/index.html
+++ b/debugging/book-library/index.html
@@ -26,6 +26,7 @@ <h1>Library</h1>
     <button data-toggle="collapse" data-target="#demo" class="btn btn-info">
       Add new book
     </button>
+    <div id="messageBox"></div>
 
     <div id="demo" class="collapse">
       <form id="bookForm" class="form-group">
@@ -62,10 +63,10 @@ <h1>Library</h1>
           />Read
         </label>
         <input
-          type="submit"
+          type="button"
           value="Submit"
           class="btn btn-primary"
-          onclick="handlesubmit();"
+          onclick="handleSubmit();"
         />
        </form>
       </div>
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 8b0cad8d..6309d6fc 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -43,7 +43,7 @@ function handleSubmit() {
     return;
   }
 
-  const book = new Book(title, author, pages, readCheckbox.checked);
+  const book = new Book(title, author, pages, readCheck.checked);
   myLibrary.push(book);
 
   render();
@@ -85,4 +85,13 @@ function render() {
   });
 }
 
-
+// Non-blocking message
+function showMessage(msg) {
+  const box = document.getElementById("messageBox");
+  box.innerHTML = `
+    <div class="alert alert-info alert-dismissible fade show" role="alert">
+      ${msg}
+      <button type="button" class="close" data-dismiss="alert">&times;</button>
+    </div>
+  `;
+}

From bbef966508f001f68a19aa842b51d64f08fa0c8e Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Mon, 10 Aug 2026 14:55:10 +0100
Subject: [PATCH 21/22]  Attached handleSubmit function to window and deleted
 vscode and settings.json file

---
 .vscode/extensions.json          | 10 ----------
 .vscode/settings.json            |  3 ---
 debugging/book-library/script.js |  2 +-
 3 files changed, 1 insertion(+), 14 deletions(-)
 delete mode 100644 .vscode/extensions.json
 delete mode 100644 .vscode/settings.json

diff --git a/.vscode/extensions.json b/.vscode/extensions.json
deleted file mode 100644
index 25549074..00000000
--- a/.vscode/extensions.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "recommendations": [
-    "esbenp.prettier-vscode",
-    "dbaeumer.vscode-eslint",
-    "streetsidesoftware.code-spell-checker",
-    "eamodio.gitlens",
-    "ritwickdey.LiveServer",
-    "vsliveshare.vsliveshare"
-  ]
-}
diff --git a/.vscode/settings.json b/.vscode/settings.json
deleted file mode 100644
index 6b665aaa..00000000
--- a/.vscode/settings.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "liveServer.settings.port": 5501
-}
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 6309d6fc..49ad1251 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -33,7 +33,7 @@ function populateStorage() {
 }
 
 // Handle form submission
-function handleSubmit() {
+ window.handleSubmit = function handleSubmit() {
   const title = titleInput.value.trim();
   const author = authorInput.value.trim();
   const pages = Number(pagesInput.value);

From cde0d51a35f19609ee56ba75053f0f48d95d5ec4 Mon Sep 17 00:00:00 2001
From: Tobias <amaechinatobias@gmail.com>
Date: Mon, 10 Aug 2026 15:14:30 +0100
Subject: [PATCH 22/22] Restore .vscode file to avoid validator failure

---
 .vscode/extensions.json | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 .vscode/extensions.json

diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 00000000..25549074
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,10 @@
+{
+  "recommendations": [
+    "esbenp.prettier-vscode",
+    "dbaeumer.vscode-eslint",
+    "streetsidesoftware.code-spell-checker",
+    "eamodio.gitlens",
+    "ritwickdey.LiveServer",
+    "vsliveshare.vsliveshare"
+  ]
+}