diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html index 23acfa71..128819dc 100644 --- a/debugging/book-library/index.html +++ b/debugging/book-library/index.html @@ -1,12 +1,9 @@ - - + + - - + My Book Library + + @@ -31,15 +28,15 @@

Library

- + Library id="pages" name="pages" required + min="1" /> -
@@ -80,17 +78,9 @@

Library

- - - - - - - - - + - + diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js index 75ce6c1d..61117024 100644 --- a/debugging/book-library/script.js +++ b/debugging/book-library/script.js @@ -1,8 +1,7 @@ -let myLibrary = []; +const myLibrary = []; window.addEventListener("load", function (e) { populateStorage(); - render(); }); function populateStorage() { @@ -20,27 +19,32 @@ function populateStorage() { } } -const title = document.getElementById("title"); -const author = document.getElementById("author"); -const pages = document.getElementById("pages"); -const check = document.getElementById("check"); +const titleInput = document.getElementById("title"); +const authorInput = document.getElementById("author"); +const pagesInput = document.getElementById("pages"); +const checkInput = 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 titleVal = titleInput.value.trim(); + const authorVal = authorInput.value.trim(); + const pagesVal = parseInt(pagesInput.value, 10); + + if (titleVal === "" || authorVal === "" || isNaN(pagesVal) || pagesVal < 1) { alert("Please fill all fields!"); return false; } else { - let book = new Book(title.value, title.value, pages.value, check.checked); - library.push(book); + let book = new Book(titleVal, authorVal, pagesVal, checkInput.checked); + myLibrary.push(book); render(); } + + // clear the form after submit + titleInput.value = ""; + authorInput.value = ""; + pagesInput.value = ""; + checkInput.checked = false; } function Book(title, author, pages, check) { @@ -51,53 +55,43 @@ 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 table = document.getElementById("display"); + const tbody = table.querySelector("tbody"); + + tbody.innerHTML = ""; - //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; + for (let i = 0; i < myLibrary.length; i++) { + 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); - changeBut.addEventListener("click", function () { + titleCell.textContent = myLibrary[i].title; + authorCell.textContent = myLibrary[i].author; + pagesCell.textContent = myLibrary[i].pages; + + const changeBtn = document.createElement("button"); + changeBtn.className = "btn btn-success"; + changeBtn.textContent = myLibrary[i].check ? "Yes" : "No"; + wasReadCell.appendChild(changeBtn); + + changeBtn.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 deleteBtn = document.createElement("button"); + deleteBtn.className = "btn btn-warning"; + deleteBtn.textContent = "Delete"; + deleteCell.appendChild(deleteBtn); + + deleteBtn.addEventListener("click", function () { + const deletedTitle = myLibrary[i].title; myLibrary.splice(i, 1); render(); + alert(`You've deleted title: ${deletedTitle}`); }); } }