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London | 26-ITP-May | Yonatan Teklemariam | Sprint 2 | Book Library #532

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London | 26-ITP-May | Yonatan Teklemariam | Sprint 2 | Book Library #532

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2f400c4
debugged the book library js file and fixed the bugs in it
Yonatanteklemariam Aug 8, 2026
b9bc3cb
validated the index.html in the w3 validator
Yonatanteklemariam Aug 11, 2026
633d88d
debugged the css, script and index against the guidelines for possibl…
Yonatanteklemariam Aug 11, 2026
35eb180
all shared variables sit at the top, added bookForm.reset(), and remo…
Yonatanteklemariam Aug 11, 2026
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149 changes: 62 additions & 87 deletions debugging/book-library/index.html
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Original file line number Diff line number Diff line change
@@ -1,96 +1,71 @@
<!DOCTYPE html>
<html>
<head>
<title> </title>
<meta
charset="utf-8"
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" />
</head>
<!doctype html>
<html lang="en-US">

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

<button data-toggle="collapse" data-target="#demo" class="btn btn-info">
Add new book
</button>
<body>
<div class="jumbotron text-center">
<h1>Library</h1>
<p>Add books to your virtual library</p>
</div>

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

<div id="demo" class="collapse">
<form id="book-form">
<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
/>
<input type="text" class="form-control" id="title" name="title" required>
</div>
<div class="form-group"><label for="author">Author: </label>
<input type="text" class="form-control" id="author" name="author" required>
</div>
<div class="form-group">
<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();"
/>
<input type="number" class="form-control" id="pages" min="1" step="1" name="pages" required>
</div>
</div>
<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">
</div>
</form>


<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>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</tbody>
</table>
<script src="script.js" type="module"></script>
</body>

<script src="script.js"></script>
</body>
</html>
</html>
181 changes: 104 additions & 77 deletions debugging/book-library/script.js
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Original file line number Diff line number Diff line change
@@ -1,103 +1,130 @@
let myLibrary = [];
// 1. Shared data
const myLibrary = [];

window.addEventListener("load", function (e) {
populateStorage();
render();
});
// 2. Shared DOM references
const titleInput = document.getElementById("title");
const authorInput = document.getElementById("author");
const pagesInput = document.getElementById("pages");
const checkInput = document.getElementById("check");
const bookForm = document.getElementById("book-form");

// 3. Utility functions
function Book(title, author, pages, check) {
this.title = title;
this.author = author;
this.pages = pages;
this.check = check;
}

function userNotification(message) {
let note = document.getElementById("notification");

if (!note) {
note = document.createElement("div");
note.id = "notification";
note.style.cssText = `
background: #e0f3ff;
border: 1px solid #9ac7e0;
padding: 10px;
margin-top: 10px;
border-radius: 4px;
font-size: 14px;
`;
document.body.prepend(note);
}

note.textContent = message;
setTimeout(() => note.remove(), 3000);
}

const formReset = () => {
bookForm.reset();
};

// 4. Core logic
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();
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!");
const titleValue = titleInput.value.trim();
const authorValue = authorInput.value.trim();
const pagesValue = pagesInput.value.trim();
const pagesNumber = Number(pagesValue);

if (!titleValue || !authorValue || !pagesValue) {
userNotification("Please fill all fields!");
return false;
} else {
let book = new Book(title.value, title.value, pages.value, check.checked);
library.push(book);
render();
}
}

function Book(title, author, pages, check) {
this.title = title;
this.author = author;
this.pages = pages;
this.check = check;
const book = new Book(
titleValue,
authorValue,
pagesNumber,
checkInput.checked
);
myLibrary.push(book);
formReset();
render();
}

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 () {
const booksTable = document.querySelector("#display tbody");
booksTable.innerHTML = "";

for (let i = 0; i < myLibrary.length; i++) {
const row = booksTable.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;

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

//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 delButton = document.createElement("button");
delButton.className = "btn btn-warning";
delButton.innerHTML = "Delete";
delButton.addEventListener("click", function () {
const deletedBook = myLibrary.splice(i, 1)[0];
render();
userNotification(
`You have deleted the book: ${deletedBook.title} by ${deletedBook.author}.`
);
});
deleteCell.appendChild(delButton);
}
}

// 5. Event listeners

// 6. Initialization
window.addEventListener("load", function () {
populateStorage();
render();

bookForm.addEventListener("submit", function (e) {
e.preventDefault();
submit();
});
});
1 change: 0 additions & 1 deletion debugging/book-library/style.css
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Original file line number Diff line number Diff line change
@@ -1,6 +1,5 @@
.form-group {
width: 400px;
height: 300px;
align-self: left;
padding-left: 20px;
}
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