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ITP-JAN|LONDON|FOROGH AGHAEIYARIJANI|BOOK LIBRARY PROJECT|WEE 2|problem solution #174

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ITP-JAN|LONDON|FOROGH AGHAEIYARIJANI|BOOK LIBRARY PROJECT|WEE 2|problem solution #174

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d9bdada
problem solution
Mar 27, 2025
e63fd03
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Apr 6, 2025
9c3f9d7
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Apr 7, 2025
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Apr 7, 2025
e2b3c57
problem solving
Apr 9, 2025
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72 changes: 17 additions & 55 deletions debugging/book-library/index.html
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Original file line number Diff line number Diff line change
@@ -1,19 +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>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>
<link
rel="stylesheet"
href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.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>

Expand All @@ -23,50 +17,24 @@ <h1>Library</h1>
<p>Add books to your virtual library</p>
</div>

<button data-toggle="collapse" data-target="#demo" class="btn btn-info">
Add new book
</button>
<button data-toggle="collapse" data-target="#demo" class="btn btn-info">Add new book</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
/>
<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="number"
class="form-control"
id="pages"
name="pages"
required
/>
<input type="number" class="form-control" id="pages" name="pages" required />

<label class="form-check-label">
<input
type="checkbox"
class="form-check-input"
id="check"
value=""
/>Read
<input type="checkbox" class="form-check-input" id="check" /> Read
</label>
<input
type="submit"
value="Submit"
class="btn btn-primary"
onclick="submit();"
/>

<input type="button" value="Submit" class="btn btn-primary" onclick="submit();" />
</div>
</div>

Expand All @@ -81,13 +49,7 @@ <h1>Library</h1>
</tr>
</thead>
<tbody>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>

</tbody>
</table>

Expand Down
108 changes: 45 additions & 63 deletions debugging/book-library/script.js
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There are 2 other let variables that should be changed to const since they are not being reassigned. Can you find them and make the change please?

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I did it.

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Still one more left. :)

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I thought I should use Let for array. Thanks, that's it.

Original file line number Diff line number Diff line change
@@ -1,45 +1,34 @@
let myLibrary = [];
const 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
);
if (myLibrary.length === 0) {
const book1 = new Book("Robinson 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();
}
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 == ""
) {
if (!title.value || !author.value || !pages.value) {
alert("Please fill all fields!");
return false;
} else {
let book = new Book(title.value, title.value, pages.value, check.checked);
library.push(book);
const book = new Book(title.value, author.value, pages.value, check.checked);
myLibrary.push(book);
render();
clearForm();
}
}

Expand All @@ -51,53 +40,46 @@ 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-- {
const table = document.getElementById("display");
const rowsNumber = table.rows.length;


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;

myLibrary.forEach((book, i) => {
const row = table.insertRow();
row.insertCell(0).innerText = book.title;
row.insertCell(1).innerText = book.author;
row.insertCell(2).innerText = book.pages;


const readButton = document.createElement("button");
readButton.className = "btn btn-success";
readButton.innerText = book.check ? "Yes" : "No";
readButton.addEventListener("click", () => {
book.check = !book.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}`);
row.insertCell(3).appendChild(readButton);


const delButton = document.createElement("button");
delButton.className = "btn btn-warning";
delButton.innerText = "Delete";
delButton.addEventListener("click", () => {
alert(`You've deleted title: ${book.title}`);
myLibrary.splice(i, 1);
render();
});
}
row.insertCell(4).appendChild(delButton);
});
}

function clearForm() {
title.value = "";
author.value = "";
pages.value = "";
check.checked = false;
}
10 changes: 8 additions & 2 deletions debugging/book-library/style.css
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Original file line number Diff line number Diff line change
@@ -1,19 +1,25 @@
.form-group {
width: 400px;
height: 300px;
align-self: left;
text-align: left;
padding-left: 20px;
}

.btn {
display: block;
width: 150px;
margin-bottom: 10px;
}

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

button.btn-info {
margin: 20px;
}

.table button {
margin-right: 5px;
}