diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
index 23acfa71..7f639a57 100644
--- a/debugging/book-library/index.html
+++ b/debugging/book-library/index.html
@@ -1,20 +1,17 @@
-
+
-
-
+ Book Library
+
+
-
+ >
+
@@ -31,20 +28,20 @@ Library
+ >
+ >
Library
id="pages"
name="pages"
required
- />
+ >
+ >
@@ -91,6 +88,6 @@ Library
-
+
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..9259e9fa 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -2,7 +2,6 @@ let myLibrary = [];
window.addEventListener("load", function (e) {
populateStorage();
- render();
});
function populateStorage() {
@@ -20,29 +19,51 @@ function populateStorage() {
}
}
-const title = document.getElementById("title");
-const author = document.getElementById("author");
-const pages = document.getElementById("pages");
-const check = document.getElementById("check");
+const titleDom = document.getElementById("title");
+const authorDom = document.getElementById("author");
+const pagesDom = document.getElementById("pages");
+const checkDom = document.getElementById("check");
+
+document.getElementById('submit-btn').addEventListener('click', submit);
//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 title = sanitize(titleDom.value.trim());
+ const author = sanitize(authorDom.value.trim());
+ let pages = sanitize(pagesDom.value.trim());
+ if (isNaN(pages)){
+ alert("Enter valid value for page number!");
+ return false;
+ }
+ pages = parseInt(pages);
+ if (!isValueInteger(pages)){
+ alert("Enter valid value for page number!");
+ return false;
+ }
+
if (
- title.value == null ||
- title.value == "" ||
- pages.value == null ||
- pages.value == ""
+ title == "" ||
+ author == "" ||
+ pages < 0
) {
- alert("Please fill all fields!");
+ alert("Please fill all fields or enter valid values!");
return false;
} else {
- let book = new Book(title.value, title.value, pages.value, check.checked);
- library.push(book);
+ let book = new Book(title, author, pages, checkDom.checked);
+ myLibrary.push(book);
render();
}
}
+function isValueInteger(value) {
+ return Number.isInteger(value);
+}
+
+function sanitize(string) {
+ return string.replace(/[^\w\s]/gi, '');
+}
+
function Book(title, author, pages, check) {
this.title = title;
this.author = author;
@@ -52,36 +73,29 @@ 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);
- }
+ let tableBody = table.querySelector("tbody");
+ tableBody.textContent = '';
//insert updated row and cells
let length = myLibrary.length;
for (let i = 0; i < length; i++) {
- let row = table.insertRow(1);
+ let row = tableBody.insertRow(0);
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;
+ 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;
+ let readStatus = myLibrary[i].check ? "Yes" : "No";
+ changeBut.textContent = readStatus;
changeBut.addEventListener("click", function () {
myLibrary[i].check = !myLibrary[i].check;
@@ -89,14 +103,14 @@ function render() {
});
//add delete button to every row and render again
- let delButton = document.createElement("button");
+ let delBut = 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}`);
+ delBut.textContent = "Delete";
+ delBut.addEventListener("click", function () {
myLibrary.splice(i, 1);
+ alert(`You've deleted title: ${myLibrary[i].title}`);
render();
});
}
diff --git a/debugging/book-library/style.css b/debugging/book-library/style.css
index 302950cb..2d40464b 100644
--- a/debugging/book-library/style.css
+++ b/debugging/book-library/style.css
@@ -1,7 +1,7 @@
.form-group {
width: 400px;
height: 300px;
- align-self: left;
+ align-self: flex-start;
padding-left: 20px;
}