-
Library
-
Add books to your virtual library
-
-
+
+
+
+
+ | Title |
+ Author |
+ Number of Pages |
+ Read |
+ |
+
+
+
+
+
-
-
-
- | Title |
- Author |
- Number of Pages |
- Read |
- |
-
-
-
-
- |
- |
- |
- |
- |
-
-
-
+
+
-
-
-
+
\ No newline at end of file
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d3..fbc924952 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,46 +1,64 @@
-let myLibrary = [];
+const myLibrary = [];
-window.addEventListener("load", function (e) {
+const titleInput = document.getElementById("title");
+const authorInput = document.getElementById("author");
+const pagesInput = document.getElementById("pages");
+const readCheckbox = document.getElementById("check");
+
+const bookForm = document.getElementById("book-form");
+
+bookForm.addEventListener("submit", function (event) {
+ event.preventDefault();
+ submit();
+});
+
+window.addEventListener("load", function () {
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("Robison 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();
}
}
-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() {
+ const titleValue = titleInput.value.trim();
+ const authorValue = authorInput.value.trim();
+ const pagesValue = Number(pagesInput.value);
+
if (
- title.value == null ||
- title.value == "" ||
- pages.value == null ||
- pages.value == ""
+ titleValue === "" ||
+ authorValue === "" ||
+ Number.isNaN(pagesValue) ||
+ pagesValue < 1 ||
+ !Number.isInteger(pagesValue)
) {
- 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 enter a positive whole number for pages.");
+ return;
}
+
+ const book = new Book(
+ titleValue,
+ authorValue,
+ pagesValue,
+ readCheckbox.checked
+ );
+
+ myLibrary.push(book);
+ render();
}
function Book(title, author, pages, check) {
@@ -51,53 +69,51 @@ 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 () {
+ const tableBody = document.getElementById("book-list");
+ tableBody.innerHTML = "";
+
+ for (let i = 0; i < myLibrary.length; i++) {
+ const row = tableBody.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;
+
+ const readButton = document.createElement("button");
+ readButton.className = "btn btn-success";
+
+ const readStatus = myLibrary[i].check ? "Yes" : "No";
+
+ readButton.textContent = readStatus;
+
+ readButton.addEventListener("click", function () {
myLibrary[i].check = !myLibrary[i].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(readButton);
+
+ const deleteButton = document.createElement("button");
+
+ deleteButton.className = "btn btn-warning";
+ deleteButton.textContent = "Delete";
+
+ deleteButton.addEventListener("click", function () {
+ const deletedTitle = myLibrary[i].title;
+
myLibrary.splice(i, 1);
render();
+ setTimeout(function () {
+ alert(`Deleted: ${deletedTitle}`);
+ }, 0);
});
+
+ deleteCell.appendChild(deleteButton);
}
}