diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
index 23acfa71..2a137e5e 100644
--- a/debugging/book-library/index.html
+++ b/debugging/book-library/index.html
@@ -1,20 +1,16 @@
-
-
+ My Book Library
+
+
-
+ href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
+
@@ -31,20 +27,20 @@ Library
-
+ >
+
+ >
Library
id="pages"
name="pages"
required
- />
+ >
+ id="submit-button;"
+ >
+
+
@@ -81,16 +79,9 @@ Library
-
- |
- |
- |
- |
- |
-
-
+
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..af4c2cde 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,17 +1,23 @@
-let myLibrary = [];
+const myLibrary = [];
-window.addEventListener("load", function (e) {
- populateStorage();
- render();
+const titleInput = document.getElementById("title");
+const authorInput = document.getElementById("author");
+const pagesInput = document.getElementById("pages");
+const readCheckbox = document.getElementById("check");
+const submitButton = document.getElementById("submit-button");
+
+window.addEventListener("load", function () {
+ populateStorage();
});
+submitButton.addEventListener("click", addBook);
function populateStorage() {
- if (myLibrary.length == 0) {
- let book1 = new Book("Robison Crusoe", "Daniel Defoe", "252", true);
- let book2 = new Book(
+ if (myLibrary.length === 0) {
+ 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);
@@ -20,84 +26,87 @@ function populateStorage() {
}
}
-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 == ""
- ) {
+ function addBook() {
+ const title = titleInput.value.trim();
+ const author = authorInput.value.trim();
+ const pages = Number(pagesInput.value);
+
+ if (title === "" || author === "" || !Number.isInteger(pages) || pages < 1) {
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;
+ }
+ const book = new Book(title, author, pages, readCheckbox.checked);
+ myLibrary.push(book);
+ titleInput.value = "";
+ authorInput.value = "";
+ pagesInput.value = "";
+ readCheckbox.checked = false;
+ render();
}
-function Book(title, author, pages, check) {
+function Book(title, author, pages, isRead) {
this.title = title;
this.author = author;
this.pages = pages;
- this.check = check;
+ this.isRead = isRead;
}
function render() {
- let table = document.getElementById("display");
- let rowsNumber = table.rows.length;
+ const table = document.getElementById("display");
+ const tbody = table.tBodies[0] || table.createTBody();
//delete old table
- for (let n = rowsNumber - 1; n > 0; n-- {
- table.deleteRow(n);
- }
+ tbody.replaceChildren();
//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;
+ for (let i = 0; i < myLibrary.length; i++) {
+ const row = tbody.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.textContent = myLibrary[i].title;
+ authorCell.textContent = myLibrary[i].author;
+ pagesCell.textContent = 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;
+ const changeButton = document.createElement("button");
+ changeButton.className = "btn btn-success";
+ changeButton.textContent = myLibrary[i].isRead ? "Yes" : "No";
+ wasReadCell.appendChild(changeButton);
- changeBut.addEventListener("click", function () {
- myLibrary[i].check = !myLibrary[i].check;
+ changeButton.addEventListener("click", function () {
+ myLibrary[i].isRead = !myLibrary[i].isRead;
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}`);
+ const delButton = document.createElement("button");
+ deleteCell.appendChild(delButton);
+ delButton.className = "btn btn-warning";
+ delButton.textContent = "Delete";
+ delButton.addEventListener("click", function () {
+ const deletedBook = myLibrary[i].title;
myLibrary.splice(i, 1);
render();
+ showMessage(`You've deleted title: ${deletedBook}`);
});
}
+ function showMessage(message) {
+ const container = document.getElementById("message-container");
+ container.innerHTML = "";
+ const alert = document.createElement("div");
+ alert.className = "alert alert-warning alert-dismissible fade show";
+ alert.role = "alert";
+
+ alert.innerHTML = `${message} `;
+
+ container.appendChild(alert);
+ }
}