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London | 26-ITP-Jan | Asha Ahmed | Sprint 2 | Book Library #421

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London | 26-ITP-Jan | Asha Ahmed | Sprint 2 | Book Library #421

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3f860ca
Fix HTML structure and improve form input types in index.html
ashaahmed7 Apr 11, 2026
ac8402d
Refactor input validation and improve book submission logic in script.js
ashaahmed7 Apr 11, 2026
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26 changes: 10 additions & 16 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>
<!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 @@ -31,15 +28,15 @@ <h1>Library</h1>
<div 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>
<input
type="author"
type="text"
class="form-control"
id="author"
name="author"
Expand All @@ -61,12 +58,9 @@ <h1>Library</h1>
value=""
/>Read
</label>
<input
type="submit"
value="Submit"
class="btn btn-primary"
onclick="submit();"
/>
<button type="button" id="submit-book-btn" class="btn btn-primary">
Submit
</button>
</div>
</div>

Expand All @@ -91,6 +85,6 @@ <h1>Library</h1>
</tbody>
</table>

<script src="script.js"></script>
<script src="script.js" type="module"></script>
</body>
</html>
101 changes: 55 additions & 46 deletions debugging/book-library/script.js
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Original file line number Diff line number Diff line change
@@ -1,45 +1,64 @@
let myLibrary = [];

window.addEventListener("load", function (e) {
const titleInputEl = document.getElementById("title");
const authorInputEl = document.getElementById("author");
const pagesInputEl = document.getElementById("pages");
const isReadInputEl = document.getElementById("check");
const submitBookBtnEl = document.getElementById("submit-book-btn");
const displayTableEl = document.getElementById("display");

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

submitBookBtnEl.addEventListener("click", submit);

function populateStorage() {
if (myLibrary.length == 0) {
let book1 = new Book("Robison Crusoe", "Daniel Defoe", "252", true);
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",
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() {
const normalizedTitle = titleInputEl.value.trim();
const normalizedAuthor = authorInputEl.value.trim();
const pagesCount = Number(pagesInputEl.value);

if (
title.value == null ||
title.value == "" ||
pages.value == null ||
pages.value == ""
normalizedTitle === "" ||
normalizedAuthor === "" ||
!Number.isInteger(pagesCount) ||
pagesCount <= 0
) {
alert("Please fill all fields!");
alert(
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@Luro91 Luro91 Apr 12, 2026

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NIce error handling

"Please fill all fields correctly. Title and author are required, and page count must be a positive whole number."
);
return false;
} else {
let book = new Book(title.value, title.value, pages.value, check.checked);
library.push(book);
let book = new Book(
normalizedTitle,
normalizedAuthor,
pagesCount,
isReadInputEl.checked
);
myLibrary.push(book);
render();

titleInputEl.value = "";
authorInputEl.value = "";
pagesInputEl.value = "";
isReadInputEl.checked = false;
}
}

Expand All @@ -51,53 +70,43 @@ 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 tableBodyEl = displayTableEl.tBodies[0];
tableBodyEl.replaceChildren();

//insert updated row and cells
let length = myLibrary.length;
for (let i = 0; i < length; i++) {
let row = table.insertRow(1);
let row = tableBodyEl.insertRow();
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;
titleCell.textContent = myLibrary[i].title;
authorCell.textContent = myLibrary[i].author;
pagesCell.textContent = String(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;
let toggleReadButton = document.createElement("button");
toggleReadButton.className = "btn btn-success";
wasReadCell.appendChild(toggleReadButton);
toggleReadButton.textContent = myLibrary[i].check === false ? "No" : "Yes";

changeBut.addEventListener("click", function () {
toggleReadButton.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}`);
let deleteButton = document.createElement("button");
deleteCell.appendChild(deleteButton);
deleteButton.className = "btn btn-warning";
deleteButton.textContent = "Delete";
deleteButton.addEventListener("click", function () {
const deletedTitle = myLibrary[i].title;
myLibrary.splice(i, 1);
render();
alert(`You've deleted title: ${deletedTitle}`);
});
}
}
2 changes: 1 addition & 1 deletion debugging/book-library/style.css
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
.form-group {
width: 400px;
height: 300px;
align-self: left;
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@Luro91 Luro91 Apr 12, 2026

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Why did you change this?

THe commit messages "Refactor input validation and improve book submission logic in script.js" does not make this clear to me

align-self: flex-start;
padding-left: 20px;
}

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