diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
index 23acfa71..81dcc033 100644
--- a/debugging/book-library/index.html
+++ b/debugging/book-library/index.html
@@ -1,9 +1,11 @@
-
+
-
+ My Book Library
+
@@ -31,7 +33,7 @@ Library
Library
/>
Library
-
- |
- |
- |
- |
- |
-
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..848d3fd9 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,46 +1,54 @@
-let myLibrary = [];
+const myLibrary = [];
-window.addEventListener("load", function (e) {
+const titleInput = document.getElementById("title");
+const authorInput = document.getElementById("author");
+const pagesInput = document.getElementById("pages");
+const readCheckbox = document.getElementById("check");
+
+window.addEventListener("load", function () {
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);
myLibrary.push(book2);
- render();
}
}
-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 == ""
- ) {
+ const title = titleInput.value.trim();
+ const author = authorInput.value.trim();
+ const pages = Number(pagesInput.value);
+ const isRead = readCheckbox.checked;
+
+ if (title === "" || author === "") {
alert("Please fill all fields!");
- return false;
- } else {
- let book = new Book(title.value, title.value, pages.value, check.checked);
- library.push(book);
- render();
+ return;
+ }
+
+ if (!Number.isInteger(pages) || pages <= 0 || pages > 9999) {
+ alert("Please enter a valid page count (1–9999).");
+ return;
}
+
+ let book = new Book(title, author, pages, isRead);
+ myLibrary.push(book);
+ render();
+ titleInput.value = "";
+ authorInput.value = "";
+ pagesInput.value = "";
+ readCheckbox.checked = false;
}
function Book(title, author, pages, check) {
@@ -51,16 +59,13 @@ 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);
- }
+ const tbody = document.querySelector("#display tbody");
+ tbody.innerHTML = "";
+
//insert updated row and cells
let length = myLibrary.length;
for (let i = 0; i < length; i++) {
- let row = table.insertRow(1);
+ let row = tbody.insertRow();
let titleCell = row.insertCell(0);
let authorCell = row.insertCell(1);
let pagesCell = row.insertCell(2);
@@ -71,33 +76,28 @@ function render() {
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;
+ let toggleButton = document.createElement("button");
+ toggleButton.className = "btn btn-success";
+ wasReadCell.appendChild(toggleButton);
+ let readStatus = myLibrary[i].check ? "Yes" : "No";
+ toggleButton.innerText = readStatus;
- changeBut.addEventListener("click", function () {
+ toggleButton.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);
+ let deleteButton = document.createElement("button");
+ deleteCell.appendChild(deleteButton);
+ deleteButton.className = "btn btn-warning";
+ deleteButton.innerHTML = "Delete";
+ deleteButton.addEventListener("click", function () {
+ const book = myLibrary[i];
+ const deletedTitle = book.title;
+ myLibrary.splice(myLibrary.indexOf(book), 1);
render();
+ alert(`You've deleted title: ${deletedTitle}`);
});
}
}