-
Library
+
My Book Library
Add books to your virtual library
+
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-
- | Title |
- Author |
- Number of Pages |
- Read |
- |
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- |
- |
- |
- |
- |
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+ | Title |
+ Author |
+ Number of Pages |
+ Read |
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diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..77e28fa2 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,103 +1,137 @@
let myLibrary = [];
+class Book {
+ constructor(title, author, pages, hasRead) {
+ this.title = title;
+ this.author = author;
+ this.pages = pages;
+ this.hasRead = Boolean(hasRead);
+ }
+}
-window.addEventListener("load", function (e) {
- populateStorage();
- render();
+// Initial Setup
+window.addEventListener("load", () => {
+ seedInitialBooks();
+ renderLibrary();
+ document.getElementById("submitBtn").addEventListener("click", handleSubmit);
});
-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();
+// Add starter books if library is empty
+function seedInitialBooks() {
+ 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));
}
}
-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
-function submit() {
- if (
- title.value == null ||
- title.value == "" ||
- pages.value == null ||
- pages.value == ""
- ) {
+// Form Inputs
+const titleInput = document.getElementById("title");
+const authorInput = document.getElementById("author");
+const pagesInput = document.getElementById("pages");
+const readCheckBox = document.getElementById("check");
+
+// Form Submission
+function handleSubmit() {
+ const titleVal = titleInput.value.trim();
+ const authorVal = authorInput.value.trim();
+ const pagesVal = pagesInput.value.trim();
+
+ if (!validateInputs(titleVal, authorVal, pagesVal)) return;
+
+ const newBook = new Book(
+ titleVal,
+ authorVal,
+ Number(pagesVal),
+ readCheckBox.checked
+ );
+
+ myLibrary.push(newBook);
+ resetForm();
+ renderLibrary();
+}
+
+// Validate input values
+function validateInputs(title, author, pages) {
+ if (!title || !author || !pages) {
alert("Please fill all fields!");
return false;
- } else {
- let book = new Book(title.value, title.value, pages.value, check.checked);
- library.push(book);
- render();
}
+
+ const pagesNum = Number(pages);
+
+ if (!Number.isInteger(pagesNum) || pagesNum <= 0) {
+ alert("Please enter a valid number of pages!");
+ return false;
+ }
+
+ return true;
}
-function Book(title, author, pages, check) {
- this.title = title;
- this.author = author;
- this.pages = pages;
- this.check = check;
+// Clear form after successful submission
+function resetForm() {
+ titleInput.value = "";
+ authorInput.value = "";
+ pagesInput.value = "";
+ readCheckBox.checked = false;
}
-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;
-
- //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 == false) {
- readStatus = "Yes";
- } else {
- readStatus = "No";
- }
- 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);
- delBut.className = "btn btn-warning";
- delBut.innerHTML = "Delete";
- delBut.addEventListener("clicks", function () {
- alert(`You've deleted title: ${myLibrary[i].title}`);
- myLibrary.splice(i, 1);
- render();
- });
- }
+// Rendering
+function renderLibrary() {
+ const tbody = document.querySelector("#display tbody");
+ tbody.innerHTML = "";
+
+ myLibrary.forEach((book, index) => {
+ const row = document.createElement("tr");
+
+ const titleCell = document.createElement("td");
+ titleCell.textContent = book.title;
+ row.appendChild(titleCell);
+
+ const authorCell = document.createElement("td");
+ authorCell.textContent = book.author;
+ row.appendChild(authorCell);
+
+ const pagesCell = document.createElement("td");
+ pagesCell.textContent = book.pages;
+ row.appendChild(pagesCell);
+
+ const readCell = document.createElement("td");
+ row.appendChild(readCell);
+
+ const deleteCell = document.createElement("td");
+ row.appendChild(deleteCell);
+
+ // Read Button
+ const readButton = document.createElement("button");
+ readButton.textContent = book.hasRead ? "Yes" : "No";
+ readButton.className = book.hasRead ? "btn btn-success" : "btn btn-danger";
+ readButton.addEventListener("click", () => toggleReadStatus(index));
+
+ row.children[3].appendChild(readButton);
+
+ // Delete Button
+ const deleteButton = document.createElement("button");
+ deleteButton.className = "btn btn-warning";
+ deleteButton.textContent = "Delete";
+ deleteButton.addEventListener("click", () => deleteBook(index));
+
+ row.children[4].appendChild(deleteButton);
+
+ tbody.appendChild(row);
+ });
}
+
+// Toggle read/unread status
+function toggleReadStatus(index) {
+ myLibrary[index].hasRead = !myLibrary[index].hasRead;
+ renderLibrary();
+}
+
+// Delete a book from the library
+function deleteBook(index) {
+const confirmed = confirm( `Are you sure you want to delete "${myLibrary[index].title}"?` );
+if (!confirmed) return;
+const deletedBook = myLibrary[index].title;
+myLibrary.splice(index, 1);
+renderLibrary();
+alert(`"${deletedBook}" has been deleted from your library.`);
+}
\ No newline at end of file
diff --git a/debugging/book-library/style.css b/debugging/book-library/style.css
index 302950cb..db1096fc 100644
--- a/debugging/book-library/style.css
+++ b/debugging/book-library/style.css
@@ -1,19 +1,110 @@
-.form-group {
- width: 400px;
- height: 300px;
- align-self: left;
- padding-left: 20px;
+/* Global Styles */
+body {
+ font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
+ background: #f7f7fb;
+ margin: 0;
+ padding: 20px;
}
-.btn {
- display: block;
+/* Header / Jumbotron */
+.jumbotron {
+ background: linear-gradient(135deg, #3c8dbc, #5fa7d9);
+ color: white;
+ border-radius: 12px;
+ padding: 40px 20px;
+ box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
-.form-check-label {
- padding-left: 20px;
- margin: 5px 0px 5px 0px;
+/* "Add New Book" Button */
+.btn-info {
+ background: #3c8dbc;
+ border: none;
+ padding: 10px 20px;
+ border-radius: 8px;
+ font-size: 16px;
+ transition: 0.2s ease;
}
-button.btn-info {
- margin: 20px;
+.btn-info:hover {
+ background: #337aa5;
+ transform: translateY(-2px);
+}
+
+/* Form Collapse Box */
+#demo {
+ background: white;
+ margin-top: 20px;
+ padding: 20px;
+ border-radius: 12px;
+ box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
+}
+
+.form-group label {
+ margin-top: 10px;
+ font-weight: 600;
+}
+
+.form-control {
+ border-radius: 8px;
+ padding: 10px;
+}
+
+/* Submit Button */
+#submitBtn {
+ margin-top: 20px;
+ background: #28a745;
+ border: none;
+ padding: 10px 20px;
+ border-radius: 10px;
+ font-size: 16px;
+ transition: 0.2s ease;
+}
+
+#submitBtn:hover {
+ background: #218838;
+ transform: translateY(-2px);
+}
+
+/* Table */
+.table {
+ margin-top: 40px;
+ background: white;
+ border-radius: 12px;
+ overflow: hidden;
+ box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
+}
+
+/* Table Header */
+.thead-dark th {
+ background: #3c3f46;
+ color: white;
+ border: none;
+}
+
+/* Row Hover */
+.table tbody tr {
+ transition: 0.2s;
+}
+
+.table tbody tr:hover {
+ background: #f0f4ff;
+}
+
+/* Buttons in Table */
+.btn-success,
+.btn-warning {
+ font-size: 14px;
+ padding: 6px 12px;
+ border-radius: 8px;
+ transition: 0.2s ease;
+}
+
+.btn-success:hover {
+ background: #1e7e34;
+ transform: scale(1.05);
+}
+
+.btn-warning:hover {
+ background: #d39e00;
+ transform: scale(1.05);
}