-
Library
-
Add books to your virtual library
-
+
Library
+
Add books to your virtual library
+
+
-
-
-
- | Title |
- Author |
- Number of Pages |
- Read |
- |
-
-
-
-
- |
- |
- |
- |
- |
-
-
-
+
+
+
+ | Title |
+ Author |
+ Number of Pages |
+ Read |
+ |
+
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+
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..5ac853e1 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,21 +1,22 @@
let myLibrary = [];
-window.addEventListener("load", function (e) {
+function Book(title, author, pages, check) {
+ this.title = title;
+ this.author = author;
+ this.pages = pages;
+ this.check = check;
+}
+
+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(
- "The Old Man and the Sea",
- "Ernest Hemingway",
- "127",
- true
- );
- myLibrary.push(book1);
- myLibrary.push(book2);
+ 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, book2);
render();
}
}
@@ -25,79 +26,64 @@ 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() {
- if (
- title.value == null ||
- title.value == "" ||
- pages.value == null ||
- pages.value == ""
- ) {
- alert("Please fill all fields!");
+ const trimmedTitle = title.value.trim();
+ const trimmedAuthor = author.value.trim();
+ const pagesNumber = Number(pages.value.trim());
+
+ if (!trimmedTitle || !trimmedAuthor || !pages.value || isNaN(pagesNumber) || pagesNumber <= 0) {
+ alert("Please fill all fields correctly!");
return false;
- } else {
- let book = new Book(title.value, title.value, pages.value, check.checked);
- library.push(book);
- render();
}
-}
-function Book(title, author, pages, check) {
- this.title = title;
- this.author = author;
- this.pages = pages;
- this.check = check;
+ let book = new Book(trimmedTitle, trimmedAuthor, pagesNumber, check.checked);
+ myLibrary.push(book);
+ render();
+
+ title.value = "";
+ author.value = "";
+ pages.value = "";
+ check.checked = false;
}
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);
+
+ for (let i = table.rows.length - 1; i > 0; i--) {
+ table.deleteRow(i);
}
- //insert updated row and cells
- let length = myLibrary.length;
- for (let i = 0; i < length; i++) {
- let row = table.insertRow(1);
+
+ myLibrary.forEach((book, i) => {
+ let row = table.insertRow(-1);
+
let titleCell = row.insertCell(0);
+ titleCell.innerText = book.title;
+
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;
+ authorCell.innerText = book.author;
- //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 pagesCell = row.insertCell(2);
+ pagesCell.innerText = book.pages;
- changeBut.addEventListener("click", function () {
- myLibrary[i].check = !myLibrary[i].check;
+ let readCell = row.insertCell(3);
+ let readBtn = document.createElement("button");
+ readBtn.innerText = book.check ? "Yes" : "No";
+ readBtn.className = "btn btn-success";
+ readBtn.addEventListener("click", function () {
+ book.check = !book.check;
render();
});
+ readCell.appendChild(readBtn);
- //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}`);
+ let deleteCell = row.insertCell(4);
+ let deleteBtn = document.createElement("button");
+ deleteBtn.innerText = "Delete";
+ deleteBtn.className = "btn btn-warning";
+ deleteBtn.addEventListener("click", function () {
+ alert(`You've deleted title: ${book.title}`);
myLibrary.splice(i, 1);
render();
});
- }
+ deleteCell.appendChild(deleteBtn);
+ });
}