diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
index 23acfa71..eab6067e 100644
--- a/debugging/book-library/index.html
+++ b/debugging/book-library/index.html
@@ -1,12 +1,11 @@
-
+
-
-
+
+ My Book Library
+
+
+
@@ -14,7 +13,7 @@
rel="stylesheet"
href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"
/>
-
+
@@ -31,7 +30,7 @@ Library
Library
/>
Library
/>Read
Library
|
-
-
- |
- |
- |
- |
- |
-
-
+
-
-
+
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..8a737108 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,17 +1,21 @@
-let myLibrary = [];
+const myLibrary = [];
+
+const titleInput = document.getElementById("title");
+const authorInput = document.getElementById("author");
+const pagesInput = document.getElementById("pages");
+const readCheckbox = document.getElementById("check");
window.addEventListener("load", function (e) {
populateStorage();
- render();
});
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",
+ 127,
true
);
myLibrary.push(book1);
@@ -20,27 +24,39 @@ function populateStorage() {
}
}
-const title = document.getElementById("title");
-const author = document.getElementById("author");
-const pages = document.getElementById("pages");
-const check = document.getElementById("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() {
+ const trimmedTitle = titleInput.value.trim();
+ const trimmedAuthor = authorInput.value.trim();
+
+ const trimmedPages = Number(pagesInput.value);
+
if (
- title.value == null ||
- title.value == "" ||
- pages.value == null ||
- pages.value == ""
+ !trimmedTitle ||
+ !trimmedAuthor ||
+ !Number.isInteger(trimmedPages) ||
+ trimmedPages < 1 ||
+ trimmedPages > 10000
) {
- alert("Please fill all fields!");
- return false;
- } else {
- let book = new Book(title.value, title.value, pages.value, check.checked);
- library.push(book);
- render();
+ alert("Please enter valid book data!");
+ return;
}
+ const book = new Book(
+ trimmedTitle,
+ trimmedAuthor,
+ trimmedPages,
+ readCheckbox.checked
+ );
+
+ myLibrary.push(book);
+
+ titleInput.value = "";
+ authorInput.value = "";
+ pagesInput.value = "";
+ readCheckbox.checked = false;
+
+ render();
}
function Book(title, author, pages, check) {
@@ -51,37 +67,27 @@ function Book(title, author, pages, check) {
}
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;
+ const tbody = document.querySelector("#display tbody");
+ tbody.innerHTML = "";
+
+ for (let i = 0; i < myLibrary.length; i++) {
+ const row = document.createElement("tr");
+
+ const titleCell = document.createElement("td");
+ const authorCell = document.createElement("td");
+ const pagesCell = document.createElement("td");
+ const wasReadCell = document.createElement("td");
+ const deleteCell = document.createElement("td");
+
+ 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;
+ const changeBut = document.createElement("button");
changeBut.className = "btn btn-success";
+ changeBut.textContent = myLibrary[i].check ? "yes" : "No";
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;
@@ -89,15 +95,22 @@ function 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";
- delBut.innerHTML = "Delete";
- delBut.addEventListener("clicks", function () {
- alert(`You've deleted title: ${myLibrary[i].title}`);
+ const delButton = document.createElement("button");
+ deleteCell.appendChild(delButton);
+ delButton.className = "btn btn-warning";
+ delButton.textContent = "Delete";
+ delButton.addEventListener("click", function () {
+ const deletedBook = myLibrary[i];
myLibrary.splice(i, 1);
render();
+ alert(`You've deleted title: ${deletedBook.title}`);
});
+ row.appendChild(titleCell);
+ row.appendChild(authorCell);
+ row.appendChild(pagesCell);
+ row.appendChild(wasReadCell);
+ row.appendChild(deleteCell);
+
+ tbody.appendChild(row);
}
}