diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
index 23acfa71..49aed8a9 100644
--- a/debugging/book-library/index.html
+++ b/debugging/book-library/index.html
@@ -1,20 +1,21 @@
-
+
-
+ Book Library
+
+ >
-
+ >
+
@@ -31,20 +32,20 @@ Library
+ >
+ >
Library
id="pages"
name="pages"
required
- />
+ >
+ >
-
+
@@ -80,15 +81,7 @@ Library
|
-
-
- |
- |
- |
- |
- |
-
-
+
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..bc620f65 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,17 +1,16 @@
-let myLibrary = [];
+const myLibrary = [];
window.addEventListener("load", function (e) {
populateStorage();
- render();
});
function populateStorage() {
if (myLibrary.length == 0) {
- let book1 = new Book("Robison Crusoe", "Daniel Defoe", "252", true);
- let book2 = new Book(
+ const book1 = new Book("Robinson Crusoe", "Daniel Defoe", 252, true);
+ const book2 = new Book(
"The Old Man and the Sea",
"Ernest Hemingway",
- "127",
+ 127,
true
);
myLibrary.push(book1);
@@ -20,27 +19,29 @@ function populateStorage() {
}
}
-const title = document.getElementById("title");
-const author = document.getElementById("author");
-const pages = document.getElementById("pages");
-const check = document.getElementById("check");
+const titleInput = document.getElementById("title");
+const authorInput = document.getElementById("author");
+const pagesInput = document.getElementById("pages");
+const checkInput = 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 = checkInput.checked;
+ if (!title || !author || pagesInput.value.trim() === "" ) {
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.isNaN(pages) || pages <= 0) {
+ alert("Please enter a valid number of pages!");
+ return;
}
+ const book = new Book(title, author, pages, isRead);
+ myLibrary.push(book);
+ render();
}
function Book(title, author, pages, check) {
@@ -50,54 +51,60 @@ function Book(title, author, pages, check) {
this.check = check;
}
+function showMessage(text) {
+ const msg = document.getElementById("message");
+ msg.innerText = text;
+
+ setTimeout(() => {
+ msg.innerText = "";
+ }, 2000);
+}
+
function render() {
- let table = document.getElementById("display");
- let rowsNumber = table.rows.length;
+ const table = document.getElementById("display");
+
+ table.innerHTML = table.rows[0].outerHTML;
+ myLibrary.forEach((book, index) => {
+ const row = table.insertRow();
+
+ const titleCell = row.insertCell(0);
+ const authorCell = row.insertCell(1);
+ const pagesCell = row.insertCell(2);
+ const wasReadCell = row.insertCell(3);
+ const deleteCell = row.insertCell(4);
+
+ titleCell.innerText = book.title;
+ authorCell.innerText = book.author;
+ pagesCell.innerText = book.pages;
+
//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;
+ const toggleReadButton = document.createElement("button");
+ toggleReadButton.className = "btn btn-success";
+ toggleReadButton.innerText = book.check ? "Yes" : "No";
+
+ toggleReadButton.addEventListener("click", () => {
+ book.check = !book.check;
render();
});
+ wasReadCell.appendChild(toggleReadButton);
+
//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: ${myLibrary[i].title}`);
- myLibrary.splice(i, 1);
+ const deleteButton = document.createElement("button");
+ deleteButton.className = "btn btn-warning";
+ deleteButton.innerText = "Delete";
+
+ deleteButton.addEventListener("click", () => {
+ showMessage(`Book "${book.title}" deleted!`);
+ myLibrary.splice(index, 1);
render();
});
- }
+
+ deleteCell.appendChild(deleteButton);
+ });
}
+