diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
index 23acfa71..49a2bec3 100644
--- a/debugging/book-library/index.html
+++ b/debugging/book-library/index.html
@@ -1,7 +1,7 @@
-
+
-
+ My Book Library
Library
@@ -91,6 +91,6 @@ Library
-
+
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..6ef4e3f8 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,5 +1,13 @@
let myLibrary = [];
+// DOM refs
+const title = document.getElementById("title");
+const author = document.getElementById("author");
+const pages = document.getElementById("pages");
+const check = document.getElementById("check");
+const submitBtn = document.getElementById("submitBtn");
+const table = document.getElementById("display");
+
window.addEventListener("load", function (e) {
populateStorage();
render();
@@ -7,97 +15,104 @@ window.addEventListener("load", function (e) {
function populateStorage() {
if (myLibrary.length == 0) {
- let book1 = new Book("Robison Crusoe", "Daniel Defoe", "252", true);
- let book2 = new Book(
+ const book1 = new Book("Robison 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();
+ myLibrary.push(book1, book2);
}
}
-const title = document.getElementById("title");
-const author = document.getElementById("author");
-const pages = document.getElementById("pages");
-const check = document.getElementById("check");
+// wire submit button
+submitBtn.addEventListener("click", addBook);
-//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 == ""
- ) {
+// validate and add book to library
+function addBook() {
+ // trim to avoid spaces-only input
+ const t = title.value.trim();
+ const a = author.value.trim();
+ const p = pages.value.trim();
+
+ if (!t || !a || !p) {
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;
+ }
+
+ // pages should be a positive number
+ if (isNaN(p) || Number(p) <= 0) {
+ alert("Please enter a valid number of pages.");
+ return;
}
+
+ const book = new Book(t, a, p, check.checked);
+ myLibrary.push(book);
+
+ // clear inputs and close the collapse (optional)
+ title.value = "";
+ author.value = "";
+ pages.value = "";
+ check.checked = false;
+
+ render();
}
-function Book(title, author, pages, check) {
+// Book constructor
+function Book(title, author, pages, read) {
this.title = title;
this.author = author;
this.pages = pages;
- this.check = check;
+ // store boolean as 'read'
+ this.read = !!read;
}
+// render table rows from myLibrary
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";
+ // clear existing tbody rows
+ // keep the thead, clear tbody
+ const tbody = table.querySelector("tbody");
+ tbody.innerHTML = "";
+
+ for (let i = 0; i < myLibrary.length; i++) {
+ const book = myLibrary[i];
+ const row = tbody.insertRow();
+
+ const titleCell = row.insertCell(0);
+ const authorCell = row.insertCell(1);
+ const pagesCell = row.insertCell(2);
+ const wasReadCell = row.insertCell(3);
+ const deleteCell = row.insertCell(4);
+
+ titleCell.textContent = book.title;
+ authorCell.textContent = book.author;
+ pagesCell.textContent = book.pages;
+
+ // Read toggle button
+ const changeBut = document.createElement("button");
+ changeBut.className = "btn btn-sm btn-outline-success";
+ changeBut.textContent = book.read ? "Yes" : "No";
+ changeBut.addEventListener("click", (function (index) {
+ return function () {
+ myLibrary[index].read = !myLibrary[index].read;
+ render();
+ };
+ })(i));
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;
- render();
- });
-
- //add delete button to every row and render again
- let delButton = document.createElement("button");
- delBut.id = i + 5;
+
+ // Delete button
+ const delBut = document.createElement("button");
+ delBut.className = "btn btn-sm btn-warning";
+ delBut.textContent = "Delete";
+ delBut.addEventListener("click", (function (index) {
+ return function () {
+ if (confirm(`Delete "${myLibrary[index].title}"?`)) {
+ myLibrary.splice(index, 1);
+ render();
+ }
+ };
+ })(i));
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();
- });
}
-}
+}
\ No newline at end of file
diff --git a/debugging/book-library/style.css b/debugging/book-library/style.css
index 302950cb..2a047c05 100644
--- a/debugging/book-library/style.css
+++ b/debugging/book-library/style.css
@@ -1,7 +1,5 @@
.form-group {
width: 400px;
- height: 300px;
- align-self: left;
padding-left: 20px;
}