Library
Add books to your virtual library
-
-
-
+
@@ -90,7 +91,6 @@ Library
-
-
+
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d3..ae346724e 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,4 +1,21 @@
-let myLibrary = [];
+const myLibrary = [];
+
+const titleInput = document.getElementById("title");
+const authorInput = document.getElementById("author");
+const pagesInput = document.getElementById("pages");
+const checkInput = document.getElementById("check");
+
+document.querySelector("form").addEventListener("submit", (e) => {
+ e.preventDefault();
+
+ const form = e.target;
+ if (!form.checkValidity()) {
+ form.reportValidity();
+ return;
+ }
+
+ addBook();
+});
window.addEventListener("load", function (e) {
populateStorage();
@@ -7,38 +24,43 @@ window.addEventListener("load", function (e) {
function populateStorage() {
if (myLibrary.length == 0) {
- let book1 = new Book("Robison Crusoe", "Daniel Defoe", "252", true);
- let book2 = new Book(
+ 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() {
+function addBook() {
+ const cleanTitle = titleInput.value.trim();
+ const cleanAuthor = authorInput.value.trim();
+ const pageCount = Number(pagesInput.value);
+
if (
- title.value == null ||
- title.value == "" ||
- pages.value == null ||
- pages.value == ""
+ cleanTitle == "" ||
+ cleanAuthor == "" ||
+ pagesInput.value.trim() == "" ||
+ Number.isNaN(pageCount) ||
+ !Number.isInteger(pageCount) ||
+ pageCount <= 0
) {
- alert("Please fill all fields!");
+ alert("Please fill all fields correctly!");
return false;
} else {
- let book = new Book(title.value, title.value, pages.value, check.checked);
- library.push(book);
+ const book = new Book(
+ cleanTitle,
+ cleanAuthor,
+ pageCount,
+ checkInput.checked
+ );
+ myLibrary.push(book);
render();
}
}
@@ -50,54 +72,49 @@ function Book(title, author, pages, check) {
this.check = check;
}
+function showMessage(text) {
+ const msg = document.createElement("div");
+ msg.className = "alert alert-info";
+ msg.textContent = text;
+ document.body.prepend(msg);
+ setTimeout(() => msg.remove(), 3000);
+}
+
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;
+ const tbody = document.querySelector("#display tbody");
+ tbody.innerHTML = "";
- //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 length = myLibrary.length;
+ for (let i = 0; i < 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;
- changeBut.addEventListener("click", function () {
+ const changeButton = document.createElement("button");
+ changeButton.className = "btn btn-success";
+ wasReadCell.appendChild(changeButton);
+ let readStatus = myLibrary[i].check ? "Yes" : "No";
+ changeButton.textContent = readStatus;
+ changeButton.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}`);
+ const deleteButton = document.createElement("button");
+ deleteCell.appendChild(deleteButton);
+ deleteButton.className = "btn btn-warning";
+ deleteButton.textContent = "Delete";
+ deleteButton.addEventListener("click", function () {
+ const deletedTitle = myLibrary[i].title;
myLibrary.splice(i, 1);
render();
+ showMessage(`You've deleted title: ${deletedTitle}`);
});
}
}
diff --git a/debugging/book-library/style.css b/debugging/book-library/style.css
index 302950cb8..39380792a 100644
--- a/debugging/book-library/style.css
+++ b/debugging/book-library/style.css
@@ -1,7 +1,7 @@
.form-group {
width: 400px;
height: 300px;
- align-self: left;
+ align-self: center;
padding-left: 20px;
}