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London | 26-ITP-January | Mouawia Elkhalifa | Sprint 2 | Book Library #414

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London | 26-ITP-January | Mouawia Elkhalifa | Sprint 2 | Book Library #414

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cfd4ac1
book library project
MouawiaElkhalifa Apr 9, 2026
de1d05f
update: implement final code improvements and optimizations
MouawiaElkhalifa Apr 10, 2026
c295d4a
refactor: change myLibrary to const per review feedback
MouawiaElkhalifa Apr 15, 2026
bdc5f49
refactor: add page range validation and finalize review feedback
MouawiaElkhalifa Apr 15, 2026
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129 changes: 48 additions & 81 deletions debugging/book-library/index.html
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Original file line number Diff line number Diff line change
@@ -1,96 +1,63 @@
<!DOCTYPE html>
<html>
<html lang="en">
<head>
<title> </title>
<meta
charset="utf-8"
name="viewport"
content="width=device-width, initial-scale=1.0"
/>
<title>Book Library</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="A simple personal library manager to track your reading list and book details.">

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
<link
rel="stylesheet"
href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"
/>
<link rel="stylesheet" type="text/css" href="style.css" />
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="style.css">
</head>

<body>
<div class="jumbotron text-center">
<h1>Library</h1>
<p>Add books to your virtual library</p>
</div>
<main>
<div class="jumbotron text-center">
<h1>Library</h1>
<p>Add books to your virtual library</p>
</div>

<button data-toggle="collapse" data-target="#demo" class="btn btn-info">
Add new book
</button>
<button data-toggle="collapse" data-target="#demo" class="btn btn-info">
Add new book
</button>

<div id="demo" class="collapse">
<div class="form-group">
<label for="title">Title:</label>
<input
type="title"
class="form-control"
id="title"
name="title"
required
/>
<label for="author">Author: </label>
<input
type="author"
class="form-control"
id="author"
name="author"
required
/>
<label for="pages">Pages:</label>
<input
type="number"
class="form-control"
id="pages"
name="pages"
required
/>
<label class="form-check-label">
<input
type="checkbox"
class="form-check-input"
id="check"
value=""
/>Read
</label>
<input
type="submit"
value="Submit"
class="btn btn-primary"
onclick="submit();"
/>
<div id="demo" class="collapse">
<div class="form-group">
<label for="title">Title:</label>
<input type="text" class="form-control" id="title" name="title" required>

<label for="author">Author: </label>
<input type="text" class="form-control" id="author" name="author" required>

<label for="pages">Pages:</label>
<input type="number" class="form-control" id="pages" name="pages" required>

<label class="form-check-label">
<input type="checkbox" class="form-check-input" id="check" value="">Read
</label>

<input type="submit" value="Submit" class="btn btn-primary" onclick="addBook();">
</div>
</div>
</div>

<table class="table" id="display">
<thead class="thead-dark">
<tr>
<th>Title</th>
<th>Author</th>
<th>Number of Pages</th>
<th>Read</th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</tbody>
</table>
<table class="table" id="display">
<thead class="thead-dark">
<tr>
<th>Title</th>
<th>Author</th>
<th>Number of Pages</th>
<th>Read</th>
<th></th>
</tr>
</thead>
<tbody>
</tbody>
</table>
</main>

<script src="script.js"></script>
</body>
</html>
</html>
148 changes: 68 additions & 80 deletions debugging/book-library/script.js
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Original file line number Diff line number Diff line change
@@ -1,47 +1,23 @@
let myLibrary = [];
const myLibrary = [];

window.addEventListener("load", function (e) {
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(
"The Old Man and the Sea",
"Ernest Hemingway",
"127",
true
if (myLibrary.length === 0) {
myLibrary.push(
new Book("Robinson Crusoe", "Daniel Defoe", 252, true),
new Book("The Old Man and the Sea", "Ernest Hemingway", 127, true)
);
myLibrary.push(book1);
myLibrary.push(book2);
render();
}
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() {
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();
}
}
const titleInput = document.getElementById("title");
const authorInput = document.getElementById("author");
const pagesInput = document.getElementById("pages");
const checkInput = document.getElementById("check");

function Book(title, author, pages, check) {
this.title = title;
Expand All @@ -50,54 +26,66 @@ function Book(title, author, pages, check) {
this.check = 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);
function addBook() {
const titleValue = titleInput.value.trim();
const authorValue = authorInput.value.trim();
const pagesValue = parseInt(pagesInput.value);

/* MODIFIED: Added (pagesValue <= 0) to ensure only positive whole numbers are valid */
if (!titleValue || !authorValue || isNaN(pagesValue) || pagesValue <= 0) {
alert("Please fill all fields with valid information (Pages must be greater than 0)!");
return;
}
Comment thread
cjyuan marked this conversation as resolved.
//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;

myLibrary.push(
new Book(titleValue, authorValue, pagesValue, checkInput.checked)
);

titleInput.value = "";
authorInput.value = "";
pagesInput.value = "";
checkInput.checked = false;

render();
}

function render() {
const tableBody = document.querySelector("#display tbody");
tableBody.innerHTML = "";

myLibrary.forEach((book, index) => {
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 actionCell = row.insertCell(4);

titleCell.textContent = book.title;
authorCell.textContent = book.author;
pagesCell.textContent = book.pages;

const changeBtn = document.createElement("button");
changeBtn.className = "btn btn-success";
changeBtn.textContent = book.check ? "Yes" : "No";
changeBtn.setAttribute("aria-label", `Change read status for ${book.title}`);
changeBtn.addEventListener("click", () => {
book.check = !book.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}`);
myLibrary.splice(i, 1);
const deleteBtn = document.createElement("button");
deleteBtn.className = "btn btn-warning";
deleteBtn.textContent = "Delete";
deleteBtn.setAttribute("aria-label", `Delete ${book.title}`);
deleteBtn.addEventListener("click", () => {
myLibrary.splice(index, 1);
render();
setTimeout(() => alert(`Deleted: ${book.title}`), 100);
Comment thread
cjyuan marked this conversation as resolved.
});
}
}

wasReadCell.appendChild(changeBtn);
actionCell.appendChild(deleteBtn);
});
}
7 changes: 3 additions & 4 deletions debugging/book-library/style.css
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Original file line number Diff line number Diff line change
@@ -1,7 +1,5 @@
.form-group {
width: 400px;
height: 300px;
align-self: left;
padding-left: 20px;
}

Expand All @@ -11,9 +9,10 @@

.form-check-label {
padding-left: 20px;
margin: 5px 0px 5px 0px;
margin: 5px 0;
display: block;
}

button.btn-info {
margin: 20px;
}
}
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