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Cape Town | 26-ITP-May | Enice Mutanda | Sprint 2 | Book Library#567

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Cape Town | 26-ITP-May | Enice Mutanda | Sprint 2 | Book Library #567

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d529bf8
fix :correct invalid HTML in book-library form
Enice-Codes Aug 19, 2026
4d6fc7c
fix: resolve multiple bugs in script.js
Enice-Codes Aug 19, 2026
b065feb
Refactor book form and update button structure
Enice-Codes Aug 21, 2026
cc323d0
Refactor script.js for better readability and functionality
Enice-Codes Aug 21, 2026
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58 changes: 29 additions & 29 deletions debugging/book-library/index.html
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Original file line numberDiff line numberDiff line change
@@ -1,12 +1,9 @@
<!DOCTYPE html>
<html>
<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>
Expand All@@ -15,59 +12,72 @@
href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"
/>
<link rel="stylesheet" type="text/css" href="style.css" />
<script src="script.js" type="module"></script>
</head>

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

<div id="demo" class="collapse">
<div class="form-group">
<form id="book-form" class="form-group">
<label for="title">Title:</label>
<input
type="title"
type="text"
class="form-control"
id="title"
name="title"
required
/>
<label for="author">Author: </label>

<label for="author">Author:</label>
<input
type="author"
type="text"
class="form-control"
id="author"
name="author"
required
/>
Comment on lines 44 to 50

@cjyuancjyuanAug 21, 2026

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The browser checks the input elements against the specified constraints when a user submits a form.
Without <form>, the browser won't enforce the "required" constraint.


<label for="pages">Pages:</label>
<input
type="number"
class="form-control"
id="pages"
name="pages"
min="1"
step="1"
required
/>
Comment on lines 53 to 61

@cjyuancjyuanAug 21, 2026

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Why not make this input element to accept only positive whole number?

<label class="form-check-label">

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

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

<table class="table" id="display">
Expand All@@ -80,17 +90,7 @@ <h1>Library</h1>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</tbody>
<tbody id="display-body"></tbody>
</table>

<script src="script.js"></script>
</body>
</html>
128 changes: 60 additions & 68 deletions debugging/book-library/script.js
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -1,47 +1,53 @@
let myLibrary = [];
const myLibrary = [];

window.addEventListener("load", function (e) {
window.addEventListener("load", function () {
populateStorage();
render();
});

// Seed the library with two starter books on first load.
function populateStorage() {
if (myLibrary.length == 0) {
let book1 = new Book("Robison Crusoe", "Daniel Defoe", "252", true);
let book2 = new Book(
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",
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");
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");

//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 == ""
) {
// Validate form input, build a new Book, add it to the library, and re-render.
bookForm.addEventListener("submit", function (e) {
e.preventDefault();

const titleValue = titleInput.value.trim();
const authorValue = authorInput.value.trim();
const pagesValue = pagesInput.value.trim();

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

const book = new Book(
titleValue,
authorValue,
Number(pagesValue),
checkInput.checked
);
myLibrary.push(book);
render();
bookForm.reset();
});

function Book(title, author, pages, check) {
this.title = title;
Expand All@@ -51,53 +57,39 @@ 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;
const tbody = document.getElementById("display-body");
tbody.innerHTML = ""; // clear all rows in one operation

//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 = tbody.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);

changeBut.addEventListener("click", function () {
titleCell.textContent = book.title;
authorCell.textContent = book.author;
pagesCell.textContent = book.pages;

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

//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}`);
const deleteBtn = document.createElement("button");
deleteBtn.className = "btn btn-warning";
deleteBtn.textContent = "Delete";
deleteBtn.addEventListener("click", function () {
const deletedTitle = myLibrary[i].title;
myLibrary.splice(i, 1);
render();
alert(`You've deleted title: ${deletedTitle}`); // shown after deletion completes
});
}
deleteCell.appendChild(deleteBtn);
});
}
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