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London | 26-ITP-Jan | Said Fayaz Sadat | Sprint 2 | Book Library #438

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London | 26-ITP-Jan | Said Fayaz Sadat | Sprint 2 | Book Library #438

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8cf25d1
- Fixed syntax error in render loop (missing closing parenthesis).
fayaz551 Apr 14, 2026
c163676
update input types for better browser compatibility
fayaz551 Apr 14, 2026
087eadc
refine layout for book form and action buttons
fayaz551 Apr 14, 2026
9df271a
clean up redundant logic and implement code best practices.
fayaz551 Apr 17, 2026
ef8461a
resolved the validation errors and standardized the syntax
fayaz551 Apr 18, 2026
6a959c5
reorganized js file structure to follow standard conventions
fayaz551 Apr 18, 2026
674677d
finalized data validation and code organization
fayaz551 Apr 18, 2026
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125 changes: 47 additions & 78 deletions debugging/book-library/index.html
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cjyuan marked this conversation as resolved.
Original file line number Diff line number Diff line change
@@ -1,96 +1,65 @@
<!DOCTYPE html>
<html>
<html lang="en">
<head>
<title> </title>
<meta
charset="utf-8"
name="viewport"
content="width=device-width, initial-scale=1.0"
/>
<title>My Book Library</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">

<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>
<p>Add books to your library</p>
</div>

<button data-toggle="collapse" data-target="#demo" class="btn btn-info">
Add new book
</button>
<div class="container">
<button data-toggle="collapse" data-target="#demo" class="btn btn-info mb-3">
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 mb-4">
<div class="card card-body">
<div class="form-group">
<label for="title">Title:</label>
<input type="text" class="form-control" id="title" required>

<label for="author" class="mt-2">Author:</label>
<input type="text" class="form-control" id="author" required>

<label for="pages" class="mt-2">Pages:</label>
<input type="number" class="form-control" id="pages" min="1" step="1" required>

<div class="form-check mt-3 mb-3">
<input type="checkbox" class="form-check-input" id="check">
<label class="form-check-label" for="check">I have read this book</label>
</div>

<input type="submit" value="Add to Library" class="btn btn-primary" onclick="submit()">
</div>
</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 table-hover" id="display">
<thead class="thead-dark">
<tr>
<th>Title</th>
<th>Author</th>
<th>Pages</th>
<th>Read Status</th>
<th>Actions</th>
</tr>
</thead>
<tbody>
</tbody>
</table>
</div>

<script src="script.js"></script>
</body>
</html>
</html>
127 changes: 52 additions & 75 deletions debugging/book-library/script.js
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Original file line number Diff line number Diff line change
@@ -1,46 +1,43 @@
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 checkInput = document.getElementById("check");
const tableBody = document.querySelector("#display tbody");

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
);
myLibrary.push(book1);
myLibrary.push(book2);
render();
if (myLibrary.length === 0) {
const book1 = new Book("Robinson 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();
const title = titleInput.value.trim();
const author = authorInput.value.trim();
const pagesValue = parseInt(pagesInput.value, 10);

if (title === "" || author === "" || isNaN(pagesValue) || pagesValue <= 0) {
alert("Please enter a valid title, author, and a whole number of pages (1 or more).");
return;
}

const book = new Book(title, author, pagesValue, checkInput.checked);
myLibrary.push(book);

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

render();
}

function Book(title, author, pages, check) {
Expand All @@ -51,53 +48,33 @@ 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;
tableBody.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;
myLibrary.forEach((book, i) => {
const row = tableBody.insertRow();

row.insertCell(0).textContent = book.title;
row.insertCell(1).textContent = book.author;
row.insertCell(2).textContent = book.pages;

changeBut.addEventListener("click", function () {
myLibrary[i].check = !myLibrary[i].check;
const wasReadCell = row.insertCell(3);
const changeBut = document.createElement("button");
changeBut.className = "btn btn-success";
changeBut.textContent = book.check ? "Yes" : "No";
changeBut.onclick = () => {
book.check = !book.check;
render();
});
};
wasReadCell.appendChild(changeBut);

//add delete button to every row and render again
let delButton = document.createElement("button");
delBut.id = i + 5;
deleteCell.appendChild(delBut);
const deleteCell = row.insertCell(4);
const delBut = document.createElement("button");
delBut.className = "btn btn-warning";
delBut.innerHTML = "Delete";
delBut.addEventListener("clicks", function () {
alert(`You've deleted title: ${myLibrary[i].title}`);
delBut.textContent = "Delete";
delBut.onclick = () => {
myLibrary.splice(i, 1);
render();
});
}
}
};
deleteCell.appendChild(delBut);
});
}
45 changes: 35 additions & 10 deletions debugging/book-library/style.css
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Original file line number Diff line number Diff line change
@@ -1,19 +1,44 @@
body {
background-color: #f8f9fa;
}

.jumbotron {
background-color: #343a40;
color: white;
border-radius: 0;
}

.container {
margin-top: 20px;
}


.form-group {
width: 400px;
height: 300px;
align-self: left;
padding-left: 20px;
max-width: 500px;
margin: 0 auto;
}


.btn {
display: block;
margin-top: 5px;
}

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

#display {
background-color: white;
box-shadow: 0 4px 8px rgba(0,0,0,0.05);
margin-top: 20px;
}

button.btn-info {
margin: 20px;

.form-check-label {
padding-left: 5px;
cursor: pointer;
}


.btn-success, .btn-warning {
display: inline-block;
margin-right: 5px;
font-size: 0.85rem;
}
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