CodeYourFuture · asaniDev · Dec 16, 2025 · Dec 16, 2025 · Dec 16, 2025 · Dec 16, 2025
diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
@@ -1,20 +1,19 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
   <head>
-    <title> </title>
+    <title> Book Library App</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" >
     <meta
       charset="utf-8"
-      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>
     <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" />
+    >
+    <link rel="stylesheet" type="text/css" href="style.css" >
   </head>
 
   <body>
@@ -31,42 +30,40 @@ <h1>Library</h1>
       <div class="form-group">
         <label for="title">Title:</label>
         <input
-          type="title"
-          class="form-control"
-          id="title"
+          type="text"
+          class="form-control title"
           name="title"
           required
         />
         <label for="author">Author: </label>
         <input
-          type="author"
-          class="form-control"
-          id="author"
+          type="text"
+          class="form-control author"
           name="author"
           required
         />
         <label for="pages">Pages:</label>
         <input
           type="number"
-          class="form-control"
-          id="pages"
+          class="form-control pages"
           name="pages"
+          min = "1"
+          max = "1000"
           required
         />
         <label class="form-check-label">
           <input
             type="checkbox"
-            class="form-check-input"
-            id="check"
+            class="form-check-input check"
             value=""
           />Read
         </label>
         <input
           type="submit"
           value="Submit"
           class="btn btn-primary"
-          onclick="submit();"
-        />
+          id = "submitButton"
+        ></input>
       </div>
     </div>
 
@@ -91,6 +88,6 @@ <h1>Library</h1>
       </tbody>
     </table>
 
-    <script src="script.js"></script>
+    <script src="./script.js" type="module"></script>
   </body>
 </html>
diff --git a/debugging/book-library/readme.md b/debugging/book-library/readme.md
@@ -12,11 +12,11 @@ My website should be able to:
 
 ## Bugs to be fixed
 
-1. Website loads but doesn't show any books
-2. Error in console when you try to add a book
-3. It uses the title name as the author name
-4. Delete button is broken
-5. When I add a book that I say I've read - it saves the wrong answer
+1. Website loads but doesn't show any books +
+2. Error in console when you try to add a book +
+3. It uses the title name as the author name +
+4. Delete button is broken +
+5. When I add a book that I say I've read - it saves the wrong answer +
 
 I think there are other some other small bugs in my code...but I'm lazy so I can't fix them all.
 

diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
@@ -2,16 +2,15 @@ let myLibrary = [];
 
 window.addEventListener("load", function (e) {
   populateStorage();
-  render();
 });
 
 function populateStorage() {
   if (myLibrary.length == 0) {
-    let book1 = new Book("Robison Crusoe", "Daniel Defoe", "252", true);
+    let book1 = new Book("Robison Crusoe", "Daniel Defoe", 252, true);
     let book2 = new Book(
       "The Old Man and the Sea",
       "Ernest Hemingway",
-      "127",
+      127,
       true
     );
     myLibrary.push(book1);
@@ -20,29 +19,44 @@ function populateStorage() {
   }
 }
 
-const title = document.getElementById("title");
-const author = document.getElementById("author");
-const pages = document.getElementById("pages");
-const check = document.getElementById("check");
+const titleElem = document.querySelector(".title");
+const authorElem = document.querySelector(".author");
+const pagesElem = document.querySelector(".pages");
+const checkBox = document.querySelector(".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() {
-  if (
-    title.value == null ||
-    title.value == "" ||
-    pages.value == null ||
-    pages.value == ""
+export function submit() {
+  const bookTitle = titleElem.value.trim();
+  const bookAuthor = authorElem.value.trim();
+  const bookPages = Number(pagesElem.value);
+
+  if (!Number.isInteger(bookPages)){
+    alert("Pages must be an integer !");
+    return false;
+  }
+  else if (
+    bookTitle == "" ||
+    bookAuthor == "" ||
+    bookPages <= 0 
   ) {
     alert("Please fill all fields!");
     return false;
   } else {
-    let book = new Book(title.value, title.value, pages.value, check.checked);
-    library.push(book);
+    let book = new Book(bookTitle, bookAuthor, bookPages, checkBox.checked);
+    myLibrary.push(book);
     render();
+    titleElem.value = "";
+    authorElem.value = "";
+    pagesElem.value = "";
+    checkBox.checked = false;
   }
 }
 
+document.querySelector('#submitButton').addEventListener('click', () => {
+  submit();
+})
+
 function Book(title, author, pages, check) {
   this.title = title;
   this.author = author;
@@ -52,52 +66,51 @@ function Book(title, author, pages, check) {
 
 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);
-  }
+  let tableBody = document.querySelector('tbody');
+
+  tableBody.innerHTML = "";
+
   //insert updated row and cells
   let length = myLibrary.length;
   for (let i = 0; i < length; i++) {
-    let row = table.insertRow(1);
+    let row = tableBody.insertRow(0);
     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;
+    titleCell.innerText = myLibrary[i].title;
+    authorCell.innerText = myLibrary[i].author;
+    pagesCell.innerText = myLibrary[i].pages;
 
     //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 changeButton = document.createElement("button");
+    changeButton.id = i;
+    changeButton.className = "btn btn-success";
+    wasReadCell.appendChild(changeButton);
     let readStatus = "";
-    if (myLibrary[i].check == false) {
-      readStatus = "Yes";
-    } else {
-      readStatus = "No";
-    }
-    changeBut.innerText = readStatus;
+    readStatus = myLibrary[i].check ? "yes":"no";
+
+    changeButton.innerText = readStatus;
 
-    changeBut.addEventListener("click", function () {
+    changeButton.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);
-    delBut.className = "btn btn-warning";
-    delBut.innerHTML = "Delete";
-    delBut.addEventListener("clicks", function () {
-      alert(`You've deleted title: ${myLibrary[i].title}`);
+    delButton.id = i + 5;
+    deleteCell.appendChild(delButton);
+    delButton.className = "btn btn-warning";
+    delButton.innerText = "Delete";
+    delButton.addEventListener("click", function () {
+      const deletedTitle = myLibrary[i].title;
       myLibrary.splice(i, 1);
       render();
+      setTimeout(() => {
+        alert(`You've deleted title: ${deletedTitle}`);
+      }, 0)
     });
   }
 }
diff --git a/debugging/book-library/style.css b/debugging/book-library/style.css
@@ -1,7 +1,7 @@
 .form-group {
   width: 400px;
   height: 300px;
-  align-self: left;
+  align-self: start;
   padding-left: 20px;
 }