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London | 25-ITP-May | Khilola Rustamova |Sprint 2| book library #310

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London | 25-ITP-May | Khilola Rustamova |Sprint 2| book library #310

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326c8a5
Fixed the problems
HilolaRustam Aug 16, 2025
e7f2081
Debugged the code
HilolaRustam Aug 16, 2025
1ff7eb7
changes to render, saving, and naming
HilolaRustam Aug 17, 2025
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99 changes: 44 additions & 55 deletions debugging/book-library/script.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,38 +9,34 @@ if (localStorage.getItem("myLibrary")) {
render();
});
function populateStorage() {
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", true);
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, 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 readCheckBox = document.getElementById("check");

//check the right input from forms and if its ok -> add the new book (object in array)
//check the right input from forms and if its ok -> add the new book
//via Book function and start render function
function submit() {
if (
title.value == null ||
title.value == "" ||
author.value == null ||
author.value == "" ||
pages.value == null ||
pages.value == ""
) {
alert("Please fill all fields!");
return false;
} else {
let book = new Book(title.value, author.value, pages.value, check.checked);
const title = titleInput.value.trim();
const author = authorInput.value.trim();
const pages = pagesInput.value.trim();

if (!title || !author || !pages || isNaN(pages) || pages <=0) {
alert("Please fill all fields correctly!");
return;
}
let book = new Book(title, author, Number(pages), readCheckBox.checked);
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pages could be a string resembling a number with decimal places.

myLibrary.push(book);
render();
}

}

class Book {
Expand All @@ -53,53 +49,46 @@ class Book {
}

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

//insert updated row and cells
let length = myLibrary.length;
for (let i = 0; i < length; i++) {
let row = table.insertRow(-1);
for (let i = 0; i < myLibrary.length; i++) {
let row = tableBody.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 == true) {
readStatus = "Yes";
} else {
readStatus = "No";
}
changeBut.innerText = readStatus;
titleCell.textContent= myLibrary[i].title;
authorCell.textContent = myLibrary[i].author;
pagesCell.textContent = myLibrary[i].pages;

let toggleBtn = document.createElement("button");
toggleBtn.className = "btn btn-success";
toggleBtn.textContent = myLibrary[i].check ? "Yes" : "No";
wasReadCell.appendChild(toggleBtn);

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

//add delete button to every row and render again
let delBut = document.createElement("button");
delBut.id = i + 5;
deleteCell.appendChild(delBut);
delBut.className = "btn btn-warning";
delBut.innerHTML = "Delete";
delBut.addEventListener("click", function () {
alert(`You've deleted title: ${myLibrary[i].title}`);
let delBtn = document.createElement("button");
delBtn.className = "btn btn-warning";
delBtn.textContent = "Delete";
deleteCell.appendChild(delBtn);

delBtn.addEventListener("click", function () {
if(confirm(`Are you sure you want to delete " ${myLibrary[i].title}"?`)){
myLibrary.splice(i, 1);
render();
}
});
Comment on lines +85 to 89
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Why not use the VSCode extension 'prettier' to auto indent JS code?

}
}
// Save updated library to localStorage
localStorage.setItem("myLibrary", JSON.stringify(myLibrary));
}