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London | 26-ITP-May | Rizqah Popoola | Sprint 2 |Book Library #549

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London | 26-ITP-May | Rizqah Popoola | Sprint 2 |Book Library #549

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14c327c
book library bugs fixed
risikatpopoola Aug 13, 2026
2789a2d
pages input field made to only accept whole number and checkbox now v…
risikatpopoola Aug 16, 2026
99b4684
button submit event listener added
risikatpopoola Aug 16, 2026
bcf2210
used a formatter to ensure consistent styling
risikatpopoola Aug 17, 2026
7c477d7
added bookform event listener is the appropriate place.
risikatpopoola Aug 17, 2026
28120ac
bookform event listeners out of setup
risikatpopoola Aug 19, 2026
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91 changes: 44 additions & 47 deletions debugging/book-library/index.html
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Original file line number Diff line number Diff line change
@@ -1,12 +1,9 @@
<!DOCTYPE html>
<html>
<html lang="en">
<head>
<title> </title>
<meta
charset="utf-8"
name="viewport"
content="width=device-width, initial-scale=1.0"
/>
<title>Rizqah's 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 @@ -28,48 +25,48 @@ <h1>Library</h1>
</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">
<form id="book-form">
<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="checkbox"
class="form-check-input"
id="check"
value=""
/>Read
</label>
<input
type="submit"
value="Submit"
class="btn btn-primary"
onclick="submit();"
/>
</div>
type="number"
class="form-control"
id="pages"
name="pages"
min="1"
step="1"
required
/>
<div class="form-check">
<input class="form-check-input" type="checkbox" id="check" />
<label class="form-check-label" for="check"> Read </label>
</div>
<input
type="submit"
value="Submit"
class="btn btn-primary"
id="submit"
/>
</div>
</form>
</div>

<p id="message"></p>
<table class="table" id="display">
<thead class="thead-dark">
<tr>
Expand Down
136 changes: 76 additions & 60 deletions debugging/book-library/script.js
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Original file line number Diff line number Diff line change
@@ -1,46 +1,55 @@
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 bookForm = document.getElementById("book-form");

function setup() {
populateStorage();
render();
});

}

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("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();
}
}

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 == ""
) {
function addBook(event) {
event.preventDefault();
const titleValue = titleInput.value.trim();
const authorValue = authorInput.value.trim();
const pagesValue = pagesInput.value;
if (titleValue === "" || authorValue === "" || 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();
}

const pages = Number(pagesValue);

if (pages <= 0 || !Number.isInteger(pages)) {
alert("Please enter a valid page number.");
return false;
}

const book = new Book(titleValue, authorValue, pages, checkInput.checked);

myLibrary.push(book);
render();
}

function Book(title, author, pages, check) {
Expand All @@ -51,53 +60,60 @@ 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);
}
const tableBody = document.querySelector("#display tbody");

//delete old table rows
tableBody.innerHTML = "";

//insert updated row and cells
let length = myLibrary.length;
const 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 row = tableBody.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;

//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 changeButton = document.createElement("button");
changeButton.className = "btn btn-success";
wasReadCell.appendChild(changeButton);

const readStatus = myLibrary[i].check ? "Yes" : "No";
changeButton.textContent = readStatus;

changeButton.addEventListener("click", function () {
myLibrary[i].check = !myLibrary[i].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}`);
const deleteButton = document.createElement("button");
deleteButton.className = "btn btn-warning";
deleteButton.textContent = "Delete";
deleteCell.appendChild(deleteButton);

deleteButton.addEventListener("click", function () {
const bookTitle = myLibrary[i].title;

myLibrary.splice(i, 1);
render();

const message = document.getElementById("message");
message.textContent = `You've deleted title: ${bookTitle}`;

setTimeout(function () {
message.textContent = "";
}, 3000);
});
}
}
bookForm.addEventListener("submit", addBook);

@cjyuan cjyuan Aug 19, 2026

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Could consider placing all code that runs once on page load in a single function. For example, you could put it inside the page load callback or create a function named init() or setup() and call it once when the page loads.

This makes it easier to locate and manage all the code that runs once when the app starts.

window.addEventListener("load", setup);
19 changes: 13 additions & 6 deletions debugging/book-library/style.css
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Original file line number Diff line number Diff line change
Expand Up @@ -8,12 +8,19 @@
.btn {
display: block;
}

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

button.btn-info {
margin: 20px;
}
#message {
margin: 15px 0;
padding: 0;
color: #155724;
font-weight: 500;
}

#message:not(:empty) {
padding: 12px 16px;
background-color: #d4edda;
border-left: 4px solid #28a745;
border-radius: 4px;
}
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