diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html index 23acfa71e..b9da855f5 100644 --- a/debugging/book-library/index.html +++ b/debugging/book-library/index.html @@ -1,20 +1,20 @@ - + - - + Book Library + + + + + - + @@ -27,48 +27,44 @@

Library

Add new book -
-
- - - - - - -
+ @@ -93,4 +89,4 @@

Library

- + \ No newline at end of file diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js index 75ce6c1d3..efb9c1af0 100644 --- a/debugging/book-library/script.js +++ b/debugging/book-library/script.js @@ -1,46 +1,54 @@ -let myLibrary = []; +const myLibrary = []; -window.addEventListener("load", function (e) { +const titleInput = document.getElementById("title"); +const authorInput = document.getElementById("author"); +const pagesInput = document.getElementById("pages"); +const checkInput = document.getElementById("check"); +const bookForm = document.getElementById("bookForm"); + +function init() { + bookForm.addEventListener("submit", addBook); populateStorage(); render(); -}); +} + +window.addEventListener("load", init); 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); - render(); } } +function addBook(event) { + event.preventDefault(); -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() { - if ( - title.value == null || - title.value == "" || - pages.value == null || - pages.value == "" - ) { - alert("Please fill all fields!"); - return false; - } else { - let book = new Book(title.value, title.value, pages.value, check.checked); - library.push(book); - render(); + const title = titleInput.value.trim(); + const author = authorInput.value.trim(); + const pages = Number(pagesInput.value); + const check = checkInput.checked; + //check the right input from forms and if its ok -> add the new book (object in array) + //via Book function and start render function + if (!title || !author || !pages || pages < 1 || !Number.isInteger(pages)) { + alert("Please fill all fields correctly!"); + return; } + + const book = new Book(title, author, pages, checkInput.checked); + + myLibrary.push(book); + render(); + + bookForm.reset(); } function Book(title, author, pages, check) { @@ -51,53 +59,54 @@ function Book(title, author, pages, check) { } function render() { - let table = document.getElementById("display"); - let rowsNumber = table.rows.length; + const tbody = document.querySelector("#display tbody"); + tbody.innerHTML = ""; //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; + for (let i = 0; i < myLibrary.length; i++) { + //insert updated row and cells + const row = tbody.insertRow(); + + 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 () { + // Read button + const readButton = document.createElement("button"); + readButton.className = "btn btn-success"; + + // simplified if/else using ternary + readButton.textContent = myLibrary[i].check ? "Yes" : "No"; + + wasReadCell.appendChild(readButton); + + readButton.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); - delBut.className = "btn btn-warning"; - delBut.innerHTML = "Delete"; - delBut.addEventListener("clicks", function () { - alert(`You've deleted title: ${myLibrary[i].title}`); + const deleteButton = document.createElement("button"); + deleteButton.className = "btn btn-warning"; + deleteButton.textContent = "Delete"; + + deleteCell.appendChild(deleteButton); + + deleteButton.addEventListener("click", function () { + const deletedTitle = myLibrary[i].title; + myLibrary.splice(i, 1); render(); + + setTimeout(() => { + alert(`You've deleted title: ${deletedTitle}`); + }, 0); }); } -} +} \ No newline at end of file