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15 changes: 15 additions & 0 deletions .vscode/launch.json
Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
{
// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
Comment on lines +2 to +4
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  • JSON != JS. A JSON string containing JS-style comments is considered invalid.

  • Better to use .gitignore to exclude non-essential configuration files from being added to a repo.

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  • JSON != JS. A JSON string containing JS-style comments is considered invalid.

    • Better to use .gitignore to exclude non-essential configuration files from being added to a repo.

Thank you, I will see what it really is. It happened accidentally.

"version": "0.2.0",
"configurations": [
{
"type": "chrome",
"request": "launch",
"name": "Launch Chrome against localhost",
"url": "http://localhost:8080",
"webRoot": "${workspaceFolder}"
}
]
}
80 changes: 21 additions & 59 deletions debugging/book-library/index.html
Original file line number Diff line number Diff line change
@@ -1,20 +1,16 @@
<!DOCTYPE html>
<html>
<html lang="en">
<head>
<title> </title>
<meta
charset="utf-8"
name="viewport"
content="width=device-width, initial-scale=1.0"
/>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Book Library</title>

<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">

<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" />
</head>

<body>
Expand All @@ -23,50 +19,24 @@ <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" required>

<label for="author">Author:</label>
<input type="text" class="form-control" id="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" 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" id="submitBtn" value="Submit" class="btn btn-primary">
</div>
</div>

Expand All @@ -80,17 +50,9 @@ <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>
<script type="module" src="script.js"></script>
</body>
</html>
16 changes: 12 additions & 4 deletions debugging/book-library/readme.md
Original file line number Diff line number Diff line change
Expand Up @@ -12,12 +12,20 @@ My website should be able to:

## Bugs to be fixed

1. Website loads but doesn't show any books
2. Error in console when you try to add a book
3. It uses the title name as the author name
4. Delete button is broken
1. Website loads but doesn't show any books
|Ans: fixed to show books
2. Error in console when you try to add a book
Ans: We can add now.
3. It uses the title name as the author name
Ans: has been fixed
4. Delete button is broken
ANs: has been functional
5. When I add a book that I say I've read - it saves the wrong answer
Ans: it is working normal

I think there are other some other small bugs in my code...but I'm lazy so I can't fix them all.
-- Page number used to accept 0 or even negative numbers. Now it only accept >=1

I wish somebody would help me!

I think I have tried something.
182 changes: 97 additions & 85 deletions debugging/book-library/script.js
Original file line number Diff line number Diff line change
@@ -1,103 +1,115 @@
let myLibrary = [];
// script.js (module)

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

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();
// Library array
const myLibrary = [];

// Book constructor
class Book {
constructor(title, author, pages, read) {
this.title = title;
this.author = author;
this.pages = pages;
this.read = read;
}
}

const title = document.getElementById("title");
const author = document.getElementById("author");
const pages = document.getElementById("pages");
const check = document.getElementById("check");
// Default books
const defaultBooks = [
new Book("Robinson Crusoe", "Daniel Defoe", 252, true),
new Book("The Old Man and the Sea", "Ernest Hemingway", 127, true),
];

// DOM references
const titleInput = document.getElementById("title");
const authorInput = document.getElementById("author");
const pagesInput = document.getElementById("pages");
const readCheckbox = document.getElementById("check");
const submitBtn = document.getElementById("submitBtn");
const table = document.getElementById("display");

// On page load: add default books

window.addEventListener("DOMContentLoaded", () => {
if (myLibrary.length === 0) {
myLibrary.push(...defaultBooks);
}
render();
});

// Submit listener
submitBtn.addEventListener("click", submit);

//check the right input from forms and if its ok -> add the new book (object in array)
//via Book function and start render function
// Submit function
function submit() {
if (
title.value == null ||
title.value == "" ||
pages.value == null ||
pages.value == ""
) {
const titleVal = titleInput.value.trim();
const authorVal = authorInput.value.trim();
const pagesVal = pagesInput.value.trim();
const readVal = readCheckbox.checked;

if (!titleVal || !authorVal || !pagesVal) {
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;
}

const pagesNum = Number(pagesVal);
if (!Number.isInteger(pagesNum) || pagesNum < 1) {
alert("Pages must be an integer greater than or equal to 1!");
return;
}
}

function Book(title, author, pages, check) {
this.title = title;
this.author = author;
this.pages = pages;
this.check = check;
myLibrary.push(new Book(titleVal, authorVal, pagesNum, readVal));

titleInput.value = "";
authorInput.value = "";
pagesInput.value = "";
readCheckbox.checked = false;

render();
}

// Render function
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;
const tbody = table.tBodies[0];


tbody.innerHTML = "";

myLibrary.forEach((book, index) => {
const row = tbody.insertRow();

row.insertCell(0).textContent = book.title;
row.insertCell(1).textContent = book.author;
row.insertCell(2).textContent = book.pages;

// Read button
const readCell = row.insertCell(3);
const readBtn = document.createElement("button");
readBtn.className = "btn btn-success";
readBtn.textContent = book.read ? "Yes" : "No";
readBtn.addEventListener("click", () => {
book.read = !book.read;
render();
});
readCell.appendChild(readBtn);

//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: ${myLibrary[i].title}`);
myLibrary.splice(i, 1);
render();
// Delete button
const deleteCell = row.insertCell(4);
const deleteBtn = document.createElement("button");
deleteBtn.className = "btn btn-warning";
deleteBtn.textContent = "Delete";
deleteBtn.addEventListener("click", () => {
if (confirm(`Are you sure you want to delete "${book.title}"?`)) {
myLibrary.splice(index, 1);
render();
alert("Book deleted successfully!");
}
});
}
deleteCell.appendChild(deleteBtn);
});
}


// Modifications regarding input preprocessing table rendering and descriptive
// names have been made.