Group 3: Library Book Manager
Updated: 30 Jul 2026, 08:58:35
Library Book Manager
Project Structure
Library-Book-Manager/
│
├── index.html
├── style.css
├── script.js
├── library.js
├── books.json
└── README.txtFeatures Included
- 📚 Add new books
- 🔍 Search books by title or author
- 🔄 Toggle book status (Available ↔ Issued)
- 🗑️ Delete books
- 💾 Local Storage support
- 📄 Sample data in
books.json - 🎨 Simple responsive interface
File 1: index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Library Book Manager</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="container">
<header>
<h1>📚 Library Book Manager</h1>
</header>
<!-- Add Book Form -->
<section class="form-section">
<form id="f">
<input
type="text"
id="title"
placeholder="Book Title"
required>
<input
type="text"
id="author"
placeholder="Author Name"
required>
<button type="submit">
Add Book
</button>
</form>
</section>
<!-- Search -->
<section class="search-section">
<input
type="text"
id="q"
placeholder="Search by Title or Author">
</section>
<!-- Books Table -->
<section class="table-section">
<table>
<thead>
<tr>
<th>Title</th>
<th>Author</th>
<th>Status</th>
<th>Action</th>
</tr>
</thead>
<tbody id="tb">
</tbody>
</table>
</section>
</div>
<script src="library.js"></script>
<script src="script.js"></script>
</body>
</html>
File 2: style.css
File 2: style.css
body {
font-family: Arial, sans-serif;
max-width: 900px;
margin: auto;
padding: 20px;
}
input,
button {
padding: 8px;
margin: 5px;
}
table {
width: 100%;
border-collapse: collapse;
}
th,
td {
border: 1px solid #ccc;
padding: 8px;
}
File 3: script.js
File
/*=========================================
Library Book Manager
script.js
=========================================*/
let books = [];
// DOM Elements
const f = document.getElementById("f");
const tb = document.getElementById("tb");
const q = document.getElementById("q");
/*=========================================
Load Books
=========================================*/
async function init() {
books = loadLS();
if (!books) {
const response = await fetch("books.json");
books = await response.json();
}
render();
}
/*=========================================
Display Books
=========================================*/
function render(arr = books) {
tb.innerHTML = "";
arr.forEach((book, index) => {
tb.innerHTML += `
<tr>
<td>${book.title}</td>
<td>${book.author}</td>
<td>
${book.issued ? "Issued" : "Available"}
</td>
<td>
<button onclick="toggle(${index})">
Toggle
</button>
<button onclick="delb(${index})">
Delete
</button>
</td>
</tr>
`;
});
}
/*=========================================
Add New Book
=========================================*/
f.onsubmit = function (e) {
e.preventDefault();
books.push({
title: title.value,
author: author.value,
issued: false
});
saveLS(books);
render();
f.reset();
};
/*=========================================
Search Books
=========================================*/
q.oninput = function () {
const keyword = q.value.toLowerCase();
const filteredBooks = books.filter(book =>
book.title.toLowerCase().includes(keyword) ||
book.author.toLowerCase().includes(keyword)
);
render(filteredBooks);
};
/*=========================================
Toggle Book Status
=========================================*/
function toggle(index) {
books[index].issued = !books[index].issued;
saveLS(books);
render();
}
/*=========================================
Delete Book
=========================================*/
function delb(index) {
books.splice(index, 1);
saveLS(books);
render();
}
/*=========================================
Start Application
=========================================*/
init();
4: library.js
File
/* ===========================================
Local Storage Helper Functions
=========================================== */
/**
* Load books from Local Storage.
* Returns the saved array of books.
* Returns null if no data exists.
*/
function loadLS() {
return JSON.parse(
localStorage.getItem("books") || "null"
);
}
/**
* Save books array to Local Storage.
* @param {Array} books
*/
function saveLS(books) {
localStorage.setItem(
"books",
JSON.stringify(books)
);
}
5: books.json
File
[
{
"title": "Clean Code",
"author": "Robert C. Martin",
"issued": false
},
{
"title": "Eloquent JavaScript",
"author": "Marijn Haverbeke",
"issued": true
}
]
6: README.txt
Mini Library Book Manager. Run with Live Server.
About Author
Swarnim Raj
Author & Career Content Writer
Experienced education and career writer at Infokept Career Hub, creating simple, research-based guides for students and government job aspirants.