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London | JAN-ITP-26 | Damian Dunkley | Sprint 2 | Book Library #427

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London | JAN-ITP-26 | Damian Dunkley | Sprint 2 | Book Library #427

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ff95662
Refactored code to provide list of books
DamianDL Apr 13, 2026
332b11f
Refactored code to enable books to be added, author field updates cor…
DamianDL Apr 13, 2026
d539435
Refactored code using validator w3 to check
DamianDL Apr 14, 2026
be162d8
Refactored code using validator w3 to check
DamianDL Apr 14, 2026
653d361
Refactored code as per CJ Update
DamianDL Apr 14, 2026
a46d754
Refactored code to only call render once on page load and remove unus…
DamianDL Apr 14, 2026
633689d
Refactored code to update as per https://github.com/CodeYourFuture/Mo…
DamianDL Apr 15, 2026
0d32deb
Refactored code to update as per https://github.com/CodeYourFuture/Mo…
DamianDL Apr 15, 2026
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29 changes: 17 additions & 12 deletions debugging/book-library/index.html
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Original file line number Diff line number Diff line change
@@ -1,12 +1,10 @@
<!DOCTYPE html>
<html>
<!doctype 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" />
<meta name="viewport" content="width=device-width, initial-scale=1" />

<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 @@ -28,19 +26,24 @@ <h1>Library</h1>
</button>

<div id="demo" class="collapse">
// form to add new book
<div class="form-group">
<label for="title">Title:</label>
<label for="title">Title:</label>// input for book title
<input
type="title"
type="text"
class="form-control"
minlength="1"
maxlength="100"
id="title"
name="title"
required
/>
<label for="author">Author: </label>
<input
type="author"
type="text"
class="form-control"
minlength="1"
maxlength="100"
id="author"
name="author"
required
Expand All @@ -49,6 +52,8 @@ <h1>Library</h1>
<input
type="number"
class="form-control"
min="1"
maxlength="10000"
id="pages"
name="pages"
required
Expand All @@ -65,7 +70,7 @@ <h1>Library</h1>
type="submit"
value="Submit"
class="btn btn-primary"
onclick="submit();"
onclick="submit()"
/>
</div>
</div>
Expand Down
88 changes: 47 additions & 41 deletions debugging/book-library/script.js
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Original file line number Diff line number Diff line change
@@ -1,44 +1,54 @@
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(
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);
myLibrary.push(book2);
render();
}
}

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");

//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 == ""
) {
alert("Please fill all fields!");
const title = titleInput.value.trim();
const author = authorInput.value.trim();
const pages = pagesInput.valueAsNumber;

if (!title) {
alert("Please enter a valid title.");
return false;
}

if (!author) {
alert("Please enter a valid author.");
return false;
}

if (!Number.isInteger(rawPages) || rawPages <= 0) {
alert("Please enter a valid page number.");
return false;
} else {
let book = new Book(title.value, title.value, pages.value, check.checked);
library.push(book);
titleInput.value = title;
authorInput.value = author;
let book = new Book(title, author, pages, checkInput.checked);
myLibrary.push(book);
render();
}
}
Expand All @@ -51,36 +61,31 @@ function Book(title, author, pages, check) {
}

function render() {
let table = document.getElementById("display");
let rowsNumber = table.rows.length;
const table = document.getElementById("display");
const rowsNumber = table.rows.length;
//delete old table
for (let n = rowsNumber - 1; n > 0; n-- {
for (let n = rowsNumber - 1; n > 0; n--) {
table.deleteRow(n);
}
//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);
const row = table.insertRow(1);
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.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");
const 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";
}
const readStatus = myLibrary[i].check == true ? "Yes" : "No";
changeBut.innerText = readStatus;

changeBut.addEventListener("click", function () {
Expand All @@ -89,14 +94,15 @@ function 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 deleteBut = document.createElement("button");
deleteBut.id = i + 5;
deleteCell.appendChild(deleteBut);
deleteBut.className = "btn btn-warning";
deleteBut.innerHTML = "Delete";
deleteBut.addEventListener("click", function () {
const deletedTitle = myLibrary[i].title;
myLibrary.splice(i, 1);
alert(`You've deleted title: ${deletedTitle}`);
render();
});
}
Expand Down
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