diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
index 23acfa71..cfa6366c 100644
--- a/debugging/book-library/index.html
+++ b/debugging/book-library/index.html
@@ -1,7 +1,7 @@
-
+ Book library
Library
Library
/>
Library
type="submit"
value="Submit"
class="btn btn-primary"
- onclick="submit();"
+ id="submit-btn"
/>
@@ -80,15 +80,7 @@ Library
|
-
-
- |
- |
- |
- |
- |
-
-
+
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..19ae3fb4 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,103 +1,117 @@
-let myLibrary = [];
+const myLibrary = [];
-window.addEventListener("load", function (e) {
+// DOM Elements
+const titleInput = document.getElementById("title");
+const authorInput = document.getElementById("author");
+const pagesInput = document.getElementById("pages");
+const checkInput = document.getElementById("check");
+const submitBtn = document.getElementById("submit-btn");
+
+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(
+ 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",
+ 127,
true
);
- myLibrary.push(book1);
- myLibrary.push(book2);
+
+ myLibrary.push(book1, book2);
render();
}
}
-const title = document.getElementById("title");
-const author = document.getElementById("author");
-const pages = document.getElementById("pages");
-const check = document.getElementById("check");
+function Book(title, author, pages, check) {
+ this.title = title;
+ this.author = author;
+ this.pages = pages;
+ this.check = 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 == ""
- ) {
- alert("Please fill all fields!");
+ const titleVal = titleInput.value.trim();
+ const authorVal = authorInput.value.trim();
+ const pagesNum = Number(pagesInput.value);
+
+ if (!titleVal || !authorVal) {
+ alert("Please enter a valid title and author.");
+ return false;
+ }
+
+ if (isNaN(pagesNum) || pagesNum <= 0) {
+ alert("Please enter a valid page count greater than 0.");
return false;
- } else {
- let book = new Book(title.value, title.value, pages.value, check.checked);
- library.push(book);
- render();
}
+
+ const book = new Book(titleVal, authorVal, pagesNum, checkInput.checked);
+ myLibrary.unshift(book);
+
+ resetForm();
+ render();
}
-function Book(title, author, pages, check) {
- this.title = title;
- this.author = author;
- this.pages = pages;
- this.check = check;
+submitBtn.addEventListener("click", submit);
+
+function resetForm() {
+ titleInput.value = "";
+ authorInput.value = "";
+ pagesInput.value = "";
+ checkInput.checked = false;
}
function render() {
- let table = document.getElementById("display");
- let rowsNumber = table.rows.length;
+ const table = document.getElementById("display");
+ const tbody = table.querySelector("tbody") || table;
+
//delete old table
- for (let n = rowsNumber - 1; n > 0; n-- {
- table.deleteRow(n);
- }
+ tbody.innerHTML = "";
+
//insert updated row and cells
- let length = myLibrary.length;
+ const 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;
+ const row = tbody.insertRow(i);
+
+ 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 = myLibrary[i].title;
+ authorCell.textContent = myLibrary[i].author;
+ pagesCell.textContent = 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 () {
+ const changeBtn = document.createElement("button");
+ changeBtn.className = "btn btn-success";
+ changeBtn.textContent = myLibrary[i].check ? "Yes" : "No";
+
+ changeBtn.addEventListener("click", function () {
myLibrary[i].check = !myLibrary[i].check;
render();
});
+ wasReadCell.appendChild(changeBtn);
+
//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}`);
+ const delBtn = document.createElement("button");
+ delBtn.className = "btn btn-warning";
+ delBtn.textContent = "Delete";
+
+ delBtn.addEventListener("click", function () {
+ const deletedTitle = myLibrary[i].title;
myLibrary.splice(i, 1);
render();
+ alert(`You've deleted title: ${deletedTitle}`);
});
+
+ deleteCell.appendChild(delBtn);
}
}
diff --git a/debugging/book-library/style.css b/debugging/book-library/style.css
index 302950cb..45723f37 100644
--- a/debugging/book-library/style.css
+++ b/debugging/book-library/style.css
@@ -5,7 +5,7 @@
padding-left: 20px;
}
-.btn {
+#demo .btn {
display: block;
}