Review w3.org

delmorallopez · delmorallopez · commit 095567b552e0 · 2025-08-14T11:32:39.000+01:00
diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
@@ -1,12 +1,10 @@
 <!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>
@@ -31,19 +29,17 @@ <h1>Library</h1>
       <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>
         <input
-          type="author"
+          type="text"
           class="form-control"
           id="author"
           name="author"
-          required
         />
         <label for="pages">Pages:</label>
         <input
@@ -80,15 +76,13 @@ <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>
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
@@ -31,19 +31,25 @@ const check = document.getElementById("check");
 function submit() {
   const cleanTitle = title.value.trim();
   const cleanAuthor = author.value.trim();
-  const cleanPages = parseInt(pages.value, 10);
+
+  if (!/^[1-9]\d*$/.test(pages.value.trim())) {    // plain positive whole numbers like 1, 25, 300 — no letters, no decimal points, no scientific notation 
+    alert("Pages must be a positive whole number without letters or symbols.");
+    return false;
+  }
+
+  const cleanPages = parseInt(pages.value.trim(), 10);
 
   if (!cleanTitle|| !cleanAuthor) {  // title and author doesn't allowed to contain only space characters
     alert("Title and Author cannot be empty or spaces only."); 
     return false;
-  } else if (isNaN(cleanPages) || cleanPages <= 0) {   // the value of type of pages must be a integer 
+    
+  } if (isNaN(cleanPages) || cleanPages <= 0) {   // the value of type of pages must be a integer 
     alert("Pages must be a positive whole number.");
     return false;
-  } else {
+  } 
     let book = new Book(cleanTitle, cleanAuthor, pages.value, check.checked);  //// title and author be allowed to contain leading or trailing space characters, we storage using parseInt
     myLibrary.push(book);
-    render();
-  }
+    render(); 
 }
 
 function Book(title, author, pages, check) {
