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Sheffield | ITP-Jan-26 | Hayriye Saricicek | Sprint 2 | Book Library #457

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Sheffield | ITP-Jan-26 | Hayriye Saricicek | Sprint 2 | Book Library #457

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ee161c1
made updates so form works and booklist can be updated, books deleted
mshayriyesaricicek Apr 19, 2026
e29edbc
made function loadDefaultBooks, changed accepted input for name and t…
mshayriyesaricicek Apr 21, 2026
388cbae
saved to format indents
mshayriyesaricicek Apr 21, 2026
8397ef9
implemented recommendations and made appropriate changes
mshayriyesaricicek Apr 23, 2026
d24a199
Fix library rendering, localStorage loading, and delete logic
mshayriyesaricicek Apr 23, 2026
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67 changes: 17 additions & 50 deletions debugging/book-library/index.html
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
<!DOCTYPE html>
<!doctype html>
<html>
<head>
<title> </title>
Expand Down Expand Up @@ -28,46 +28,21 @@ <h1>Library</h1>
</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
/>
<label for="pages">Pages:</label>
<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
</label>
<input
type="submit"
value="Submit"
class="btn btn-primary"
onclick="submit();"
/>
</div>
<form id="bookForm">
<div class="form-group">
<label for="title">Title:</label>
<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" required />
<label class="form-check-label">
<input type="checkbox" class="form-check-input" id="check" />Read
</label>

<button type="submit" class="btn btn-primary">Enter</button>
</div>
</form>
</div>

<table class="table" id="display">
Expand All @@ -80,15 +55,7 @@ <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
152 changes: 94 additions & 58 deletions debugging/book-library/script.js
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Original file line number Diff line number Diff line change
@@ -1,47 +1,58 @@
let myLibrary = [];
let myLibrary = JSON.parse(localStorage.getItem("myLibrary")) || [];
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window.addEventListener("load", function (e) {
populateStorage();
render();
});
function saveLibrary() {
localStorage.setItem("myLibrary", JSON.stringify(myLibrary));
}

document.getElementById("bookForm").addEventListener("submit", function (e) {
e.preventDefault();

const title = document.getElementById("title").value;
const author = document.getElementById("author").value;
const pages = document.getElementById("pages").value;
const read = document.getElementById("check").checked;

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();
if (!title || !author || !pages) {
alert("Please fill all fields!");
return;
}
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populateStorage(title, author, pages, read);

render();

this.reset();
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@cjyuan cjyuan Apr 21, 2026

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This seems quite advanced. Are you familiar with the meaning of this in JS?

In Piscine, you may be asked something like this:

  • If you were not allowed to use this, how would you rewrite this.reset()?

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@mshayriyesaricicek mshayriyesaricicek Apr 23, 2026

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If I couldn’t use this.reset(), I would manually reset each form field by setting their values back to empty. For example: document.getElementById("title").value = "";
document.getElementById("author").value = "";
document.getElementById("pages").value = "";
document.getElementById("check").checked = false;

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@cjyuan cjyuan Apr 23, 2026

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You can use any code as long as can explain the code when asked. In Piscine's interview, the interviewer may randomly pick a piece of code from your project and ask you to explain it.


$('#demo').collapse('hide');
});

function addBookToTable(title, author, pages, read) {
const table = document.getElementById("display").getElementsByTagName("tbody")[0];

const row = table.insertRow();

row.insertCell(0).textContent = title;
row.insertCell(1).textContent = author;
row.insertCell(2).textContent = pages;
row.insertCell(3).textContent = read ? "Yes" : "No";
}
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const title = document.getElementById("title");
const author = document.getElementById("author");
const pages = document.getElementById("pages");
const check = document.getElementById("check");
function populateStorage(title, author, pages, check) {
let newBook = new Book(title, author, pages, check);
myLibrary.push(newBook);

saveLibrary();
}

//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!");
return false;
} else {
let book = new Book(title.value, title.value, pages.value, check.checked);
library.push(book);
render();
}
}
function populateStorage(title, author, pages, check) {
let newBook = new Book(title, author, pages, check);

myLibrary.push(newBook);
saveLibrary();
};
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function Book(title, author, pages, check) {
this.title = title;
Expand All @@ -51,16 +62,20 @@ function Book(title, author, pages, check) {
}

function render() {
let table = document.getElementById("display");
let rowsNumber = table.rows.length;
console.log("RENDER CALLED");

const table = document.querySelector("#display tbody");
table.innerHTML = "";

//let rowsNumber = table.rows.length;
//delete old table
for (let n = rowsNumber - 1; n > 0; n-- {
table.deleteRow(n);
}
//for (let n = rowsNumber - 1; n > 0; n--) {
// table.deleteRow(n);
//}
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//insert updated row and cells
let length = myLibrary.length;
for (let i = 0; i < length; i++) {
let row = table.insertRow(1);
let row = table.insertRow();
let titleCell = row.insertCell(0);
let authorCell = row.insertCell(1);
let pagesCell = row.insertCell(2);
Expand All @@ -72,32 +87,53 @@ function render() {

//add and wait for action for read/unread button
let changeBut = document.createElement("button");
changeBut.id = i;
changeBut.className = "btn btn-success";

//changeBut.id = i;

changeBut.className = myLibrary[i].check
? "btn btn-success"
: "btn btn-secondary";

changeBut.innerText = myLibrary[i].check ? "Read" : "Unread";

wasReadCell.appendChild(changeBut);
let readStatus = "";
if (myLibrary[i].check == false) {
readStatus = "Yes";
} else {
readStatus = "No";
}
changeBut.innerText = readStatus;

//let readStatus = myLibrary[i].check ? "Yes" : "No";
//}

changeBut.addEventListener("click", function () {
myLibrary[i].check = !myLibrary[i].check;
saveLibrary();
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";
let delBut = document.createElement("button");

//delBut.id = i + 5;


delBut.className = "btn btn-danger btn-sm";
delBut.innerHTML = "Delete";
delBut.addEventListener("clicks", function () {
alert(`You've deleted title: ${myLibrary[i].title}`);

deleteCell.appendChild(delBut);

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

saveLibrary();

render();
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});
}
}
window.addEventListener("load", function () {
if (myLibrary.length === 0) {
populateStorage("Robison Crusoe", "Daniel Defoe", "252", true);
populateStorage( "The Old Man and the Sea", "Ernest Hemingway", "127", false);
saveLibrary();
}
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}

render();
});
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