diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html index 23acfa71e..1f5cb7f37 100644 --- a/debugging/book-library/index.html +++ b/debugging/book-library/index.html @@ -1,19 +1,13 @@ - - + My Book Library + + - + @@ -30,43 +24,19 @@

Library

- - - + + + + + - + + - + +
@@ -80,17 +50,9 @@

Library

- - - - - - - - - + - + diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js index 75ce6c1d3..f47b26dab 100644 --- a/debugging/book-library/script.js +++ b/debugging/book-library/script.js @@ -1,103 +1,100 @@ +// DOM references +const titleInput = document.getElementById("title"); +const authorInput = document.getElementById("author"); +const pagesInput = document.getElementById("pages"); +const readCheckbox = document.getElementById("check"); +const submitBtn = document.getElementById("submitBtn"); + let myLibrary = []; -window.addEventListener("load", function (e) { +window.addEventListener("load", () => { populateStorage(); render(); + submitBtn.addEventListener("click", submit); }); 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("Robison 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"); - -//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!"); - return false; - } else { - let book = new Book(title.value, title.value, pages.value, check.checked); - library.push(book); - render(); +function submit(event) { + event.preventDefault(); // prevent any form-like behavior + + const title = titleInput.value.trim(); + const author = authorInput.value.trim(); + const pagesRaw = pagesInput.value.trim(); + const isRead = readCheckbox.checked; + + if (!title || !author || !pagesRaw) { + alert("Please fill all fields (Title, Author, Pages)!"); + return; } + + const pagesNum = Number(pagesRaw); + if (!Number.isInteger(pagesNum) || pagesNum <= 0) { + alert("Please enter a valid positive number of pages!"); + return; + } + + const newBook = new Book(title, author, pagesNum, isRead); + myLibrary.push(newBook); + render(); + + // Clear form + titleInput.value = ""; + authorInput.value = ""; + pagesInput.value = ""; + readCheckbox.checked = false; } -function Book(title, author, pages, check) { +function Book(title, author, pages, isRead) { this.title = title; this.author = author; this.pages = pages; - this.check = check; + this.check = isRead; } 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 tableBody = document.querySelector("#display tbody"); + tableBody.innerHTML = ""; + + for (let i = 0; i < myLibrary.length; i++) { + const book = myLibrary[i]; + const row = tableBody.insertRow(); + + 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); + + titleCell.textContent = book.title; + authorCell.textContent = book.author; + pagesCell.textContent = book.pages; + + // Toggle read button + const toggleBtn = document.createElement("button"); + toggleBtn.className = "btn btn-success"; + toggleBtn.textContent = book.check ? "Yes" : "No"; + toggleBtn.addEventListener("click", () => { + book.check = !book.check; render(); }); + readCell.appendChild(toggleBtn); - //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}`); + // Delete button + const deleteBtn = document.createElement("button"); + deleteBtn.className = "btn btn-warning"; + deleteBtn.textContent = "Delete"; + deleteBtn.addEventListener("click", () => { myLibrary.splice(i, 1); + alert(`You've deleted title: ${book.title}`); render(); }); + deleteCell.appendChild(deleteBtn); } }