From f4be6a3b1fb8b43bfd28d967a18bc3f26276b396 Mon Sep 17 00:00:00 2001
From: ahmadehsas <ahmadehsas14345@gmail.com>
Date: Thu, 4 Dec 2025 20:20:52 +0000
Subject: [PATCH 1/7] Fix syntax error.

---
 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 75ce6c1d..eed706fd 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 01c48110b7904da2248a2e6f946dffd75f3ddc52 Mon Sep 17 00:00:00 2001
From: ahmadehsas <ahmadehsas14345@gmail.com>
Date: Thu, 4 Dec 2025 22:30:55 +0000
Subject: [PATCH 2/7] Fix error in console when trying to add book.

---
 debugging/book-library/index.html | 11 +++++------
 debugging/book-library/script.js  | 19 +++++++++----------
 2 files changed, 14 insertions(+), 16 deletions(-)

diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
index 23acfa71..c5773de7 100644
--- a/debugging/book-library/index.html
+++ b/debugging/book-library/index.html
@@ -61,12 +61,11 @@ <h1>Library</h1>
             value=""
           />Read
         </label>
-        <input
-          type="submit"
-          value="Submit"
-          class="btn btn-primary"
-          onclick="submit();"
-        />
+        <button
+          type="button"
+          id="SubmitBtn"
+          class="btn btn-primary">submit</button>
+        
       </div>
     </div>
 
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index eed706fd..81ccb08a 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -27,21 +27,20 @@ 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
-function submit() {
+function addBook() {
   if (
-    title.value == null ||
-    title.value == "" ||
-    pages.value == null ||
-    pages.value == ""
+    !title.value.trim() ||
+    !author.value.trim() ||
+    !pages.value.trim()
   ) {
     alert("Please fill all fields!");
-    return false;
-  } else {
-    let book = new Book(title.value, title.value, pages.value, check.checked);
-    library.push(book);
+    return;
+  } 
+    let book = new Book(title.value.trim(), author.value.trim(), pages.value, check.checked);
+    myLibrary.push(book);
     render();
   }
-}
+
 
 function Book(title, author, pages, check) {
   this.title = title;

From de116f7219a4c9e3de654f207a5da8865b477070 Mon Sep 17 00:00:00 2001
From: ahmadehsas <ahmadehsas14345@gmail.com>
Date: Thu, 4 Dec 2025 23:47:07 +0000
Subject: [PATCH 3/7] Fix the delete button error.

---
 debugging/book-library/script.js | 27 ++++++++++++++++++---------
 1 file changed, 18 insertions(+), 9 deletions(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 81ccb08a..b67b0444 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -75,7 +75,7 @@ function render() {
     changeBut.className = "btn btn-success";
     wasReadCell.appendChild(changeBut);
     let readStatus = "";
-    if (myLibrary[i].check == false) {
+    if (myLibrary[i].check) {
       readStatus = "Yes";
     } else {
       readStatus = "No";
@@ -89,14 +89,23 @@ function render() {
 
     //add delete button to every row and render again
     let delButton = document.createElement("button");
-    delBut.id = i + 5;
-    deleteCell.appendChild(delBut);
-    delBut.className = "btn btn-warning";
-    delBut.innerHTML = "Delete";
-    delBut.addEventListener("clicks", function () {
-      alert(`You've deleted title: ${myLibrary[i].title}`);
-      myLibrary.splice(i, 1);
-      render();
+    delButton.className = "btn btn-primary";
+    delButton.textContent = "Delete";
+    delButton.addEventListener("click", function() {
+      if (confirm(`Delete "${myLibrary[i].title}" from your library?`)) {
+    myLibrary.splice(i, 1);
+    render();
+      }
+      
     });
+    deleteCell.appendChild(delButton);
+    // deleteCell.appendChild(delBut);
+    // delBut.className = "btn btn-warning";
+    // delBut.innerHTML = "Delete";
+    // delBut.addEventListener("clicks", function () {
+    //   alert(`You've deleted title: ${myLibrary[i].title}`);
+    //   myLibrary.splice(i, 1);
+    //   render();
+    
   }
 }

From 8c4795ecb801c074a3d09807963231e6ab0eb516 Mon Sep 17 00:00:00 2001
From: ahmadehsas <ahmadehsas14345@gmail.com>
Date: Fri, 5 Dec 2025 00:23:04 +0000
Subject: [PATCH 4/7] Fix the error.

---
 debugging/book-library/script.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index b67b0444..03f891db 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -42,11 +42,11 @@ function addBook() {
   }
 
 
-function Book(title, author, pages, check) {
+function Book(title, author, pages, read) {
   this.title = title;
   this.author = author;
   this.pages = pages;
-  this.check = check;
+  this.check = read;
 }
 
 function render() {

From 7e65169ec869f89c4cc482bd3b8f53a38412b044 Mon Sep 17 00:00:00 2001
From: ahmadehsas <ahmadehsas14345@gmail.com>
Date: Sun, 7 Dec 2025 13:59:15 +0000
Subject: [PATCH 5/7] Update index.html and script.js code.

---
 debugging/book-library/index.html | 102 ++++++++++++++----------------
 debugging/book-library/script.js  |  98 ++++++++++------------------
 2 files changed, 83 insertions(+), 117 deletions(-)

diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
index c5773de7..031d65f0 100644
--- a/debugging/book-library/index.html
+++ b/debugging/book-library/index.html
@@ -1,12 +1,9 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <title> </title>
-    <meta
-      charset="utf-8"
-      name="viewport"
-      content="width=device-width, initial-scale=1.0"
-    />
+    <title>Book Library</title>
+    <meta 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>
     <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>
@@ -23,50 +20,55 @@ <h1>Library</h1>
       <p>Add books to your virtual library</p>
     </div>
 
-    <button data-toggle="collapse" data-target="#demo" class="btn btn-info">
+    <button data-toggle="collapse" data-target="#demo" class="btn btn-info" aria-expanded="false">
       Add new book
     </button>
 
     <div id="demo" class="collapse">
-      <div class="form-group">
-        <label for="title">Title:</label>
-        <input
-          type="title"
-          class="form-control"
-          id="title"
-          name="title"
-          required
-        />
-        <label for="author">Author: </label>
-        <input
-          type="author"
-          class="form-control"
-          id="author"
-          name="author"
-          required
-        />
-        <label for="pages">Pages:</label>
-        <input
-          type="number"
-          class="form-control"
-          id="pages"
-          name="pages"
-          required
-        />
-        <label class="form-check-label">
+      <form id="bookForm">
+        <div class="form-group">
+          <label for="title">Title:</label>
+          <input
+            type="text"
+            class="form-control"
+            id="title"
+            name="title"
+            required
+            placeholder="Enter book title"
+          />
+          <label for="author">Author: </label>
+          <input
+            type="text"
+            class="form-control"
+            id="author"
+            name="author"
+            required
+            placeholder="Enter author's name"
+          />
+          <label for="pages">Pages:</label>
           <input
-            type="checkbox"
-            class="form-check-input"
-            id="check"
-            value=""
-          />Read
-        </label>
-        <button
-          type="button"
-          id="SubmitBtn"
-          class="btn btn-primary">submit</button>
-        
-      </div>
+            type="number"
+            class="form-control"
+            id="pages"
+            name="pages"
+            required
+            min="1"
+            placeholder="Enter number of pages"
+          />
+          <label class="form-check-label">
+            <input
+              type="checkbox"
+              class="form-check-input"
+              id="check"
+              name="read"
+            />Read
+          </label>
+          <button
+            type="submit"
+            id="SubmitBtn"
+            class="btn btn-primary">Submit</button>
+        </div>
+      </form>
     </div>
 
     <table class="table" id="display">
@@ -80,16 +82,10 @@ <h1>Library</h1>
         </tr>
       </thead>
       <tbody>
-        <tr>
-          <td></td>
-          <td></td>
-          <td></td>
-          <td></td>
-          <td></td>
-        </tr>
+        <!-- Rows will be dynamically added here -->
       </tbody>
     </table>
 
     <script src="script.js"></script>
   </body>
-</html>
+</html>
\ No newline at end of file
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 03f891db..496f6d03 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,22 +1,15 @@
 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);
-    let book2 = new Book(
-      "The Old Man and the Sea",
-      "Ernest Hemingway",
-      "127",
-      true
-    );
-    myLibrary.push(book1);
-    myLibrary.push(book2);
-    render();
+  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, book2);
   }
 }
 
@@ -25,23 +18,18 @@ 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 a new book to the library
 function addBook() {
-  if (
-    !title.value.trim() ||
-    !author.value.trim() ||
-    !pages.value.trim()
-  ) {
+  if (!title.value.trim() || !author.value.trim() || !pages.value.trim()) {
     alert("Please fill all fields!");
     return;
-  } 
-    let book = new Book(title.value.trim(), author.value.trim(), pages.value, check.checked);
-    myLibrary.push(book);
-    render();
   }
+  let book = new Book(title.value.trim(), author.value.trim(), pages.value, check.checked);
+  myLibrary.push(book);
+  render();
+}
 
-
+// Book constructor
 function Book(title, author, pages, read) {
   this.title = title;
   this.author = author;
@@ -49,63 +37,45 @@ function Book(title, author, pages, read) {
   this.check = read;
 }
 
+// Render the library table
 function render() {
   let table = document.getElementById("display");
   let rowsNumber = table.rows.length;
-  //delete old table
+
+  // Clear existing rows (except the header)
   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++) {
+
+  // Populate the table with updated library data
+  myLibrary.forEach((book, 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;
+    row.insertCell(0).innerText = book.title;
+    row.insertCell(1).innerText = book.author;
+    row.insertCell(2).innerText = book.pages;
 
-    //add and wait for action for read/unread button
+    // Add read/unread toggle button
+    let wasReadCell = row.insertCell(3);
     let changeBut = document.createElement("button");
-    changeBut.id = i;
     changeBut.className = "btn btn-success";
-    wasReadCell.appendChild(changeBut);
-    let readStatus = "";
-    if (myLibrary[i].check) {
-      readStatus = "Yes";
-    } else {
-      readStatus = "No";
-    }
-    changeBut.innerText = readStatus;
-
+    changeBut.innerText = book.check ? "Yes" : "No";
     changeBut.addEventListener("click", function () {
-      myLibrary[i].check = !myLibrary[i].check;
+      book.check = !book.check;
       render();
     });
+    wasReadCell.appendChild(changeBut);
 
-    //add delete button to every row and render again
+    // Add delete button
+    let deleteCell = row.insertCell(4);
     let delButton = document.createElement("button");
     delButton.className = "btn btn-primary";
     delButton.textContent = "Delete";
-    delButton.addEventListener("click", function() {
-      if (confirm(`Delete "${myLibrary[i].title}" from your library?`)) {
-    myLibrary.splice(i, 1);
-    render();
+    delButton.addEventListener("click", function () {
+      if (confirm(`Delete "${book.title}" from your library?`)) {
+        myLibrary.splice(i, 1);
+        render();
       }
-      
     });
     deleteCell.appendChild(delButton);
-    // deleteCell.appendChild(delBut);
-    // delBut.className = "btn btn-warning";
-    // delBut.innerHTML = "Delete";
-    // delBut.addEventListener("clicks", function () {
-    //   alert(`You've deleted title: ${myLibrary[i].title}`);
-    //   myLibrary.splice(i, 1);
-    //   render();
-    
-  }
-}
+  });
+}
\ No newline at end of file

From 6e184cf02d4b3058f451d91aa8e788d5dc665886 Mon Sep 17 00:00:00 2001
From: ahmadehsas <ahmadehsas14345@gmail.com>
Date: Mon, 8 Dec 2025 12:19:54 +0000
Subject: [PATCH 6/7] Update addBook function with improved validation and
 optimized input handling.

---
 debugging/book-library/script.js | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 496f6d03..1a33512c 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -20,15 +20,29 @@ const check = document.getElementById("check");
 
 // Add a new book to the library
 function addBook() {
-  if (!title.value.trim() || !author.value.trim() || !pages.value.trim()) {
+  const titleValue = title.value.trim();
+  const authorValue = author.value.trim();
+  const pagesValue = pages.value.trim();
+  const isRead = check.checked;
+
+  // Validate input fields
+  if (!titleValue || !authorValue || !pagesValue) {
     alert("Please fill all fields!");
-    return;
+    return false;
+  }
+
+  // Validate "number of pages" field
+  const pagesNumber = parseInt(pagesValue, 10);
+  if (isNaN(pagesNumber) || pagesNumber <= 0) {
+    alert("Please enter a valid number of pages!");
+    return false;
   }
-  let book = new Book(title.value.trim(), author.value.trim(), pages.value, check.checked);
+
+  // Create a new book and add it to the library
+  const book = new Book(titleValue, authorValue, pagesNumber, isRead);
   myLibrary.push(book);
   render();
 }
-
 // Book constructor
 function Book(title, author, pages, read) {
   this.title = title;

From d6df415b7a353dd2db011615e777f5908f5f930c Mon Sep 17 00:00:00 2001
From: ahmadehsas <ahmadehsas14345@gmail.com>
Date: Mon, 8 Dec 2025 12:28:10 +0000
Subject: [PATCH 7/7] Update the function populateStorage ro store the page
 counts as numbers instead of strings.

---
 debugging/book-library/script.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 1a33512c..b6c5ba63 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -7,8 +7,8 @@ window.addEventListener("load", function () {
 
 function populateStorage() {
   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);
+    let book1 = new Book("Robinson Crusoe", "Daniel Defoe", 252, true); // Changed "252" to 252
+    let book2 = new Book("The Old Man and the Sea", "Ernest Hemingway", 127, true); // Changed "127" to 127
     myLibrary.push(book1, book2);
   }
 }