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Cape Town | 26-ITP-May | Liyema Mfengwana | Sprint 2 | Book Library #577

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Cape Town | 26-ITP-May | Liyema Mfengwana | Sprint 2 | Book Library #577

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LiyemaMfengwana Aug 22, 2026
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LiyemaMfengwana Aug 22, 2026
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19 changes: 6 additions & 13 deletions debugging/book-library/index.html
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
<!DOCTYPE html>
<!doctype html>
<html>
<head>
<title> </title>
<title>Book Library</title>
<meta
charset="utf-8"
name="viewport"
Expand Down Expand Up @@ -31,7 +31,7 @@ <h1>Library</h1>
<div class="form-group">
<label for="title">Title:</label>
<input
type="title"
type="text"
class="form-control"
id="title"
name="title"
Expand All @@ -51,6 +51,7 @@ <h1>Library</h1>
class="form-control"
id="pages"
name="pages"
min="1"
required
/>
<label class="form-check-label">
Expand All @@ -65,7 +66,7 @@ <h1>Library</h1>
type="submit"
value="Submit"
class="btn btn-primary"
onclick="submit();"
onclick="addBook()"
/>
</div>
</div>
Expand All @@ -80,15 +81,7 @@ <h1>Library</h1>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</tbody>
<tbody></tbody>
</table>

<script src="script.js"></script>
Expand Down
110 changes: 60 additions & 50 deletions debugging/book-library/script.js
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Original file line number Diff line number Diff line change
@@ -1,22 +1,23 @@
let myLibrary = [];

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

function populateStorage() {
if (myLibrary.length == 0) {
let book1 = new Book("Robison Crusoe", "Daniel Defoe", "252", true);
function addDefaultBooks() {
if (myLibrary.length === 0) {
let book1 = new Book("Robinson 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();
}
}

Expand All @@ -25,79 +26,88 @@ 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() {
function addBook() {
// Check that all required information has been entered
if (
title.value == null ||
title.value == "" ||
pages.value == null ||
pages.value == ""
title.value.trim() === "" ||
author.value.trim() === "" ||
pages.value.trim() === "" ||
Number(pages.value) <= 0
) {
alert("Please fill all fields!");
return false;
} else {
let book = new Book(title.value, title.value, pages.value, check.checked);
library.push(book);
render();
alert("Please enter a title, author, and a valid number of pages!");
return;
}

let book = new Book(
title.value.trim(),
author.value.trim(),
Number(pages.value),
check.checked
);

myLibrary.push(book);

render();

// Clear form
title.value = "";
author.value = "";
pages.value = "";
check.checked = false;
}

function Book(title, author, pages, check) {
function Book(title, author, pages, read) {
this.title = title;
this.author = author;
this.pages = pages;
this.check = check;
this.read = read;
}

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);

// Delete old rows, keeping the header
while (table.rows.length > 1) {
table.deleteRow(1);
}
//insert updated row and cells
let length = myLibrary.length;
for (let i = 0; i < length; i++) {
let row = table.insertRow(1);

// Add each book to the table
for (let i = 0; i < myLibrary.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
titleCell.textContent = myLibrary[i].title;
authorCell.textContent = myLibrary[i].author;
pagesCell.textContent = myLibrary[i].pages;

// 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.textContent = myLibrary[i].read ? "Yes" : "No";

changeBut.addEventListener("click", function () {
myLibrary[i].check = !myLibrary[i].check;
myLibrary[i].read = !myLibrary[i].read;
render();
});

//add delete button to every row and render again
wasReadCell.appendChild(changeBut);

// Delete button
let delButton = document.createElement("button");
delBut.id = i + 5;
deleteCell.appendChild(delBut);
delBut.className = "btn btn-warning";
delBut.innerHTML = "Delete";
delBut.addEventListener("clicks", function () {
delButton.className = "btn btn-warning";
delButton.textContent = "Delete";

delButton.addEventListener("click", function () {
alert(`You've deleted title: ${myLibrary[i].title}`);
myLibrary.splice(i, 1);
render();
});

deleteCell.appendChild(delButton);
}
}
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