-
Library
-
Add books to your virtual library
-
+
Library
+
Add books to your virtual library
+
-
-
-
-
- | Title |
- Author |
- Number of Pages |
- Read |
- |
-
-
-
-
- |
- |
- |
- |
- |
-
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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..98205703 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -6,41 +6,40 @@ window.addEventListener("load", function (e) {
});
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);
}
}
-const title = document.getElementById("title");
-const author = document.getElementById("author");
-const pages = document.getElementById("pages");
-const check = document.getElementById("check");
+// Use meaningful variable names for DOM elements
+const titleInput = document.getElementById("title");
+const authorInput = document.getElementById("author");
+const pagesInput = document.getElementById("pages");
+const readCheckbox = 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
+// Preprocess input before adding a book
function submit() {
- if (
- title.value == null ||
- title.value == "" ||
- pages.value == null ||
- pages.value == ""
- ) {
- 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 title = titleInput.value.trim();
+ const author = authorInput.value.trim();
+ const pages = parseInt(pagesInput.value.trim(), 10);
+ const isRead = readCheckbox.checked;
+
+ if (!title || !author || isNaN(pages)) {
+ alert("Please fill all fields correctly!");
+ return;
}
+
+ let book = new Book(title, author, pages, isRead);
+ myLibrary.push(book);
+ render();
+
+ // Clear input fields after submission
+ titleInput.value = "";
+ authorInput.value = "";
+ pagesInput.value = "";
+ readCheckbox.checked = false;
}
function Book(title, author, pages, check) {
@@ -50,54 +49,67 @@ function Book(title, author, pages, check) {
this.check = check;
}
+// Efficiently clear table rows
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);
+ const table = document.getElementById("display");
+ let tbody = table.querySelector("tbody");
+
+ // If
doesn't exist, create it
+ if (!tbody) {
+ tbody = document.createElement("tbody");
+ table.appendChild(tbody);
}
- //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;
+
+ // Clear existing rows in
+ tbody.innerHTML = "";
+
+ myLibrary.forEach((book, index) => {
+ const row = tbody.insertRow();
+
+ const titleCell = row.insertCell();
+ titleCell.textContent = book.title; // Escapes special characters
+
+ const authorCell = row.insertCell();
+ authorCell.textContent = book.author; // Escapes special characters
+
+ const pagesCell = row.insertCell();
+ pagesCell.textContent = book.pages;
+
+ const readCell = row.insertCell();
+ readCell.innerHTML = ``;
+
+ const actionsCell = row.insertCell();
+ actionsCell.innerHTML = ``;
+ });
+
+ // Add event listeners for buttons
+ document.querySelectorAll(".toggle-read").forEach(button => {
+ button.addEventListener("click", (e) => {
+ const index = e.target.dataset.index;
+ myLibrary[index].check = !myLibrary[index].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);
+ document.querySelectorAll(".delete-book").forEach(button => {
+ button.addEventListener("click", (e) => {
+ const index = e.target.dataset.index;
+ myLibrary.splice(index, 1);
render();
+
+ // Display a non-blocking notification
+ const notification = document.createElement("div");
+ notification.textContent = "Book deleted successfully.";
+ notification.className = "notification";
+ document.body.appendChild(notification);
+
+ // Remove the notification after 3 seconds
+ setTimeout(() => {
+ notification.remove();
+ }, 3000);
});
- }
+ });
}
+
+// Make the submit function globally accessible
+window.submit = submit;