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London | 25-ITP-May | Houssam Lahlah | Sprint 2 | Feature/book library #322

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London | 25-ITP-May | Houssam Lahlah | Sprint 2 | Feature/book library #322

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8bd778e
- change title.value to author.value.
HoussamLh Aug 18, 2025
bcdfde3
Merge branch 'CodeYourFuture:main' into feature/book-library
HoussamLh Aug 18, 2025
fff1b69
Merge branch 'CodeYourFuture:main' into feature/book-library
HoussamLh Sep 1, 2025
f439e87
Validate my HTML code online using W3.org
HoussamLh Sep 14, 2025
2537f48
Remove calling render() function to avoid duplicate
HoussamLh Sep 14, 2025
fd3649e
Fix the page number to passe and input as a number not as a string
HoussamLh Sep 14, 2025
94f7e3c
add a suffix like El and rename them to indicate DOM elements
HoussamLh Sep 14, 2025
b5a0f4b
Removes leading/trailing spaces and converts pages to a number and re…
HoussamLh Sep 15, 2025
b0c6627
Update to remove all rows at once and use innerText instead innerHTML
HoussamLh Sep 15, 2025
283fda2
Renamed submit() to submitBook() to avoid HTML form conflicts
HoussamLh Sep 15, 2025
b2a7d5e
fix: correct Book Library JS functionality
HoussamLh Sep 15, 2025
9adee93
add validation for page count input in Book Library
HoussamLh Sep 18, 2025
b16c7f2
Refactor table row creation to centralize cell creation and modulariz…
HoussamLh Sep 18, 2025
1de7803
update the render() function to delete just the the rows not the whol…
HoussamLh Sep 18, 2025
9b6df60
update the code to handle the toggle checkbox Read or Not Read
HoussamLh Sep 18, 2025
e953bb4
validate pages input to accept only positive whole numbers
HoussamLh Sep 19, 2025
25f7083
Refactor delete button to use index instead of book object
HoussamLh Sep 19, 2025
e5f6ec3
Refactor read/unread button creation to use a helper function
HoussamLh Sep 19, 2025
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34 changes: 10 additions & 24 deletions debugging/book-library/index.html
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Original file line number Diff line number Diff line change
@@ -1,20 +1,13 @@
<!DOCTYPE html>
<html>
<html lang="en">
<head>
<title> </title>
<meta
charset="utf-8"
name="viewport"
content="width=device-width, initial-scale=1.0"
/>
<title> Book Library </title>
<meta charset="utf-8">
<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>
Expand All @@ -31,42 +24,35 @@ <h1>Library</h1>
<div class="form-group">
<label for="title">Title:</label>
<input
type="title"
class="form-control"
id="title"
name="title"
required
/>
required>
<label for="author">Author: </label>
<input
type="author"
class="form-control"
id="author"
name="author"
required
/>
required>
<label for="pages">Pages:</label>
<input
type="number"
class="form-control"
id="pages"
name="pages"
required
/>
required>
<label class="form-check-label">
<input
type="checkbox"
class="form-check-input"
id="check"
value=""
/>Read
value="">Read
</label>
<input
type="submit"
value="Submit"
class="btn btn-primary"
onclick="submit();"
/>
onclick="submitBook(event);">
</div>
</div>

Expand Down
151 changes: 70 additions & 81 deletions debugging/book-library/script.js
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Original file line number Diff line number Diff line change
@@ -1,46 +1,52 @@
let myLibrary = [];

window.addEventListener("load", function (e) {
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("Robison Crusoe", "Daniel Defoe", 252, true);
const book2 = new Book("The Old Man and the Sea", "Ernest Hemingway", 127, true);
myLibrary.push(book1, 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 == ""
) {
const titleEl = document.getElementById("title");
const authorEl = document.getElementById("author");
const pagesEl = document.getElementById("pages");
const checkEl = document.getElementById("check");

// Add book from form
function submitBook(event) {
// Prevent page reload
event.preventDefault();

const titleVal = titleEl.value.trim();
const authorVal = authorEl.value.trim();
const pagesVal = Number(pagesEl.value);

if (!titleVal || !authorVal) {
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;
}
if (isNaN(pagesVal) || pagesVal <= 0) {
alert("Please enter a valid number of pages!");
return;
}

// Add book to library

const book = new Book(titleVal, authorVal, pagesVal, checkEl.checked);
myLibrary.push(book);
render();

// Clear form
titleEl.value = "";
authorEl.value = "";
pagesEl.value = "";
checkEl.checked = false;
}

function Book(title, author, pages, check) {
Expand All @@ -51,53 +57,36 @@ 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;

//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 () {
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}`);
myLibrary.splice(i, 1);
render();
});
}
const table = document.getElementById("display");
table.innerHTML = "";

myLibrary.forEach((book, i) => {
const row = table.insertRow();

// keep all cells in one place
const titleCell = row.insertCell(0);
const authorCell = row.insertCell(1);
const pagesCell = row.insertCell(2);
const checkCell = row.insertCell(3);
const delCell = row.insertCell(4); // delete button cell

titleCell.textContent = book.title;
authorCell.textContent = book.author;
pagesCell.textContent = book.pages;
checkCell.textContent = book.check ? "Read" : "Not Read";

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@cjyuan cjyuan Sep 18, 2025

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What about the checkbox event handler?

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@HoussamLh HoussamLh Sep 18, 2025

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Hi cjyuan,

Thank you for your guidence.

I added an event handler for the Read/Not Read button, which toggles the check property on the correct book object and re-renders the table. This ensures the status updates immediately when clicked.

// use helper function for delete button
createDeleteCell(delCell, i);
});
}

function createDeleteCell(cell, index) {
const deleteBtn = document.createElement("button");
deleteBtn.textContent = "Delete";
deleteBtn.addEventListener("click", () => {
myLibrary.splice(index, 1);
render();
});
cell.appendChild(deleteBtn);
}