diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
index 23acfa71..9e4f244f 100644
--- a/debugging/book-library/index.html
+++ b/debugging/book-library/index.html
@@ -1,19 +1,14 @@
-
+
+
-
-
+ The Library App
+
+
-
+
@@ -31,7 +26,7 @@ Library
Library
/>
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 == ""
- ) {
- alert("Please fill all fields!");
- return false;
- } else {
- let book = new Book(title.value, title.value, pages.value, check.checked);
- library.push(book);
+
+ const title = titleInput.value.trim();
+ const author = authorInput.value.trim();
+ const pages = Number(pagesInput.value);
+
+ if (!title || !author || !pagesInput.value || !Number.isInteger(pages) || pages <= 0) {
+ alert("Please fill all fields correctly. Pages must be a positive integer.");
+ return;
+ }
+ let book = new Book(title, author, pages, check.checked);
+ myLibrary.push(book);
render();
- }
+
+
}
function Book(title, author, pages, check) {
@@ -52,52 +53,50 @@ 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);
- }
- //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;
+ const oldTbody = table.querySelector("tbody");
+ const newTbody = document.createElement("tbody");
+ table.replaceChild(newTbody, oldTbody);
+
+ myLibrary.forEach((book, index) => {
+ const row = newTbody.insertRow();
+
+ const titleCell = row.insertCell(0);
+ const authorCell = row.insertCell(1);
+ const pagesCell = row.insertCell(2);
+ const readCell = row.insertCell(3);
+ const deleteCell = row.insertCell(4);
+
+ titleCell.textContent = book.title;
+ authorCell.textContent = book.author;
+ pagesCell.textContent = book.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);
+ const changeBtn = document.createElement("button");
+ changeBtn.className = "btn btn-success";
+ readCell.appendChild(changeBtn);
let readStatus = "";
- if (myLibrary[i].check == false) {
- readStatus = "Yes";
- } else {
+ if (book.check == false) {
readStatus = "No";
+ } else {
+ readStatus = "Yes";
}
- changeBut.innerText = readStatus;
+ changeBtn.innerText = readStatus;
- changeBut.addEventListener("click", function () {
- myLibrary[i].check = !myLibrary[i].check;
+ changeBtn.addEventListener("click", function () {
+ book.check = !book.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);
+ const deleteBtn = document.createElement("button");
+ deleteBtn.className = "btn btn-warning";
+ deleteBtn.textContent = "Delete";
+ deleteCell.appendChild(deleteBtn);
+
+ deleteBtn.addEventListener("click", function () {
+ alert(`You've deleted title: ${book.title}`);
+ myLibrary.splice(index, 1);
render();
});
- }
+ });
}