+
+
+
+
-
-
-
- | Title |
- Author |
- Number of Pages |
- Read |
- |
-
-
-
-
- |
- |
- |
- |
- |
-
-
-
+
+
+
+ | Title |
+ Author |
+ Number of Pages |
+ Read |
+ |
+
+
+
+
+
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..fe575739 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,103 +1,96 @@
let myLibrary = [];
-window.addEventListener("load", function (e) {
+window.addEventListener("load", function () {
populateStorage();
render();
});
+function Book(title, author, pages, read) {
+ this.title = title;
+ this.author = author;
+ this.pages = pages;
+ this.read = read;
+}
+
function populateStorage() {
- if (myLibrary.length == 0) {
- let book1 = new Book("Robison Crusoe", "Daniel Defoe", "252", true);
- let book2 = new Book(
- "The Old Man and the Sea",
- "Ernest Hemingway",
- "127",
- true
- );
- myLibrary.push(book1);
- myLibrary.push(book2);
- render();
+ 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", true);
+ myLibrary.push(book1, book2);
}
}
-const title = document.getElementById("title");
-const author = document.getElementById("author");
-const pages = document.getElementById("pages");
-const check = document.getElementById("check");
+// DOM references
+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 == ""
- ) {
- alert("Please fill all fields!");
+ const title = titleInput.value.trim();
+ const author = authorInput.value.trim();
+ const pages = pagesInput.value.trim();
+ const read = checkInput.checked;
+
+ if (title === "" || author === "" || pages === "" || isNaN(pages) || parseInt(pages) <= 0) {
+ alert("Please fill all fields correctly!");
return false;
- } else {
- let book = new Book(title.value, title.value, pages.value, check.checked);
- library.push(book);
- render();
}
+
+ const newBook = new Book(title, author, pages, read);
+ myLibrary.push(newBook);
+ render();
+ clearForm();
+ return false;
}
-function Book(title, author, pages, check) {
- this.title = title;
- this.author = author;
- this.pages = pages;
- this.check = check;
+function clearForm() {
+ titleInput.value = "";
+ authorInput.value = "";
+ pagesInput.value = "";
+ checkInput.checked = false;
}
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 table = document.getElementById("display");
+ const rows = table.rows.length;
+
+ // Remove all rows except header
+ for (let i = rows - 1; i > 0; i--) {
+ table.deleteRow(i);
}
- //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;
+ myLibrary.forEach((book, index) => {
+ const row = table.insertRow(-1);
+ 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);
- changeBut.addEventListener("click", function () {
- myLibrary[i].check = !myLibrary[i].check;
+ titleCell.textContent = book.title;
+ authorCell.textContent = book.author;
+ pagesCell.textContent = book.pages;
+
+ const toggleReadBtn = document.createElement("button");
+ toggleReadBtn.textContent = book.read ? "Yes" : "No";
+ toggleReadBtn.className = "btn btn-success";
+ toggleReadBtn.style.backgroundColor = book.read ? "green" : "red";
+ toggleReadBtn.addEventListener("click", () => {
+ myLibrary[index].read = !myLibrary[index].read;
render();
});
+ readCell.appendChild(toggleReadBtn);
- //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: ${myLibrary[i].title}`);
- myLibrary.splice(i, 1);
+ const delBtn = document.createElement("button");
+ delBtn.textContent = "Delete";
+ delBtn.className = "btn btn-warning";
+ delBtn.addEventListener("click", () => {
+ alert(`You've deleted "${book.title}"`);
+ myLibrary.splice(index, 1);
render();
});
- }
+ deleteCell.appendChild(delBtn);
+ });
}
+