diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
index 23acfa71..9278ca07 100644
--- a/debugging/book-library/index.html
+++ b/debugging/book-library/index.html
@@ -1,12 +1,9 @@
-
-
+ Library
+
+
@@ -31,19 +28,21 @@ Library
Library
id="pages"
name="pages"
required
+ min="1"
/>
-
+ onclick="addBook();"
+ >
+ submit
+
@@ -81,16 +83,10 @@ Library
-
- |
- |
- |
- |
- |
-
+
-
+
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..cd04cd33 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,46 +1,53 @@
-let myLibrary = [];
+const myLibrary = [];
-window.addEventListener("load", function (e) {
+window.addEventListener("load", () => {
populateStorage();
render();
});
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);
- myLibrary.push(book2);
- render();
+
+ myLibrary.push(book1, book2);
}
}
-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");
+
+function addBook() {
+ const titleValue = titleInput.value.trim();
+ const authorValue = authorInput.value.trim();
+ const pagesValue = Number(pagesInput.value);
-//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 == ""
+ !titleValue ||
+ !authorValue ||
+ Number.isNaN(pagesValue) ||
+ pagesValue <= 0
) {
- alert("Please fill all fields!");
- return false;
- } else {
- let book = new Book(title.value, title.value, pages.value, check.checked);
- library.push(book);
- render();
+ alert("Please fill all fields correctly!");
+ return;
}
+
+ const book = new Book(
+ titleValue,
+ authorValue,
+ pagesValue,
+ checkInput.checked
+ );
+
+ myLibrary.push(book);
+ render();
}
function Book(title, author, pages, check) {
@@ -51,53 +58,46 @@ 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;
-
- //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 tbody = document.querySelector("#display tbody");
+
+ tbody.innerHTML = "";
+
+ myLibrary.forEach((book, 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 = book.title;
+ authorCell.textContent = book.author;
+ pagesCell.textContent = book.pages;
+
+ const changeBtn = document.createElement("button");
+ changeBtn.className = "btn btn-success";
+ changeBtn.textContent = book.check ? "Yes" : "No";
+
+ changeBtn.addEventListener("click", () => {
+ 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}`);
+ wasReadCell.appendChild(changeBtn);
+
+ const deleteBtn = document.createElement("button");
+ deleteBtn.className = "btn btn-warning";
+ deleteBtn.textContent = "Delete";
+
+ deleteBtn.addEventListener("click", () => {
myLibrary.splice(i, 1);
render();
+ alert(`You've deleted title: ${book.title}`);
});
- }
+
+ deleteCell.appendChild(deleteBtn);
+ });
}
+
+window.addBook = addBook;