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Library
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Add books to your virtual library
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Library
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Add books to your virtual library
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+ | Title |
+ Author |
+ Number of Pages |
+ Read |
+ |
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- | 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..3a7e84a3 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,19 +1,14 @@
let myLibrary = [];
-window.addEventListener("load", function (e) {
+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
- );
+ 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);
myLibrary.push(book2);
render();
@@ -25,22 +20,32 @@ 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 == ""
- ) {
+ const titleInput = title.value.trim();
+ const authorInput = author.value.trim();
+ const pagesInput = pages.value.trim();
+ const pagesNum = Number(pagesInput);
+
+ if (!titleInput || !authorInput || !pagesInput) {
alert("Please fill all fields!");
return false;
- } else {
- let book = new Book(title.value, title.value, pages.value, check.checked);
- library.push(book);
- render();
}
+
+ if (!Number.isInteger(pagesNum) || pagesNum < 1) {
+ alert("Pages must be a positive whole number.");
+ return false;
+ }
+
+ const book = new Book(titleInput, authorInput, pagesNum, check.checked);
+ myLibrary.push(book);
+ render();
+
+ title.value = "";
+ author.value = "";
+ pages.value = "";
+ check.checked = false;
+
+ return true;
}
function Book(title, author, pages, check) {
@@ -52,12 +57,8 @@ 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
+ table.querySelector("tbody").innerHTML = "";
+
let length = myLibrary.length;
for (let i = 0; i < length; i++) {
let row = table.insertRow(1);
@@ -66,38 +67,31 @@ function render() {
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 = String(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";
+ 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;
render();
});
- //add delete button to every row and render again
- let delButton = document.createElement("button");
- delBut.id = i + 5;
- deleteCell.appendChild(delBut);
+ const delBut = document.createElement("button");
delBut.className = "btn btn-warning";
- delBut.innerHTML = "Delete";
- delBut.addEventListener("clicks", function () {
- alert(`You've deleted title: ${myLibrary[i].title}`);
+ delBut.textContent = "Delete";
+ deleteCell.appendChild(delBut);
+
+ delBut.addEventListener("click", function () {
+ const deletedTitle = myLibrary[i].title;
myLibrary.splice(i, 1);
render();
+ alert(`You've deleted title: ${deletedTitle}`);
});
}
}
+