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app.js
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app.js
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function Book(title, author, isbn) {
this.title = title;
this.author = author;
this.isbn = isbn;
}
function UI() {}
UI.prototype.addBookToList = function (book) {
const list = document.getElementById('book-list');
const row = document.createElement('tr');
row.innerHTML = `<td>${book.title}</td>
<td>${book.author}</td>
<td>${book.isbn}</td>
<td><a href="#" class="delete">X<a></td>`;
list.appendChild(row);
}
UI.prototype.showAlert = function (message, className) {
const div = document.createElement('div');
div.className = `alert ${className}`;
div.appendChild(document.createTextNode(message));
const contatiner = document.querySelector('.container');
const form = document.querySelector('#book-form');
contatiner.insertBefore(div, form);
setTimeout(function () {
document.querySelector('.alert').remove();
}, 3000);
}
UI.prototype.deleteBook = function (target) {
if (target.className === 'delete') {
target.parentElement.parentElement.remove();
}
}
UI.prototype.clearFields = function () {
document.getElementById('title').value = '';
document.getElementById('author').value = '';
document.getElementById('isbn').value = '';
}
document.getElementById('book-form').addEventListener('submit', function (e) {
const title = document.getElementById('title').value,
author = document.getElementById('author').value,
isbn = document.getElementById('isbn').value;
const book = new Book(title, author, isbn);
const ui = new UI();
if (title === '' || author === '' || isbn === '') {
ui.showAlert('Please fill in all fields', 'error');
} else {
ui.addBookToList(book);
ui.showAlert('Book Added!', 'success');
ui.clearFields();
}
e.preventDefault();
});
document.getElementById('book-list').addEventListener('click', function (e) {
const ui = new UI();
ui.deleteBook(e.target);
ui.showAlert('Book Remooved', 'success');
e.preventDefault();
})