From 03e83516dfad5a5a2ea638419a1551d7cc69726d Mon Sep 17 00:00:00 2001 From: ChinweP Date: Fri, 7 Aug 2026 16:57:42 +0100 Subject: [PATCH 1/7] Fix syntax error in render function loop --- debugging/book-library/script.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js index 75ce6c1d..eed706fd 100644 --- a/debugging/book-library/script.js +++ b/debugging/book-library/script.js @@ -54,7 +54,7 @@ function render() { let table = document.getElementById("display"); let rowsNumber = table.rows.length; //delete old table - for (let n = rowsNumber - 1; n > 0; n-- { + for (let n = rowsNumber - 1; n > 0; n--) { table.deleteRow(n); } //insert updated row and cells From 470e59dd193d61a6ea6bebd4944cfe13a627cf6c Mon Sep 17 00:00:00 2001 From: ChinweP Date: Sat, 8 Aug 2026 01:01:10 +0100 Subject: [PATCH 2/7] Fix author assignment in book submission --- debugging/book-library/script.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js index eed706fd..ef882fa4 100644 --- a/debugging/book-library/script.js +++ b/debugging/book-library/script.js @@ -37,7 +37,7 @@ function submit() { alert("Please fill all fields!"); return false; } else { - let book = new Book(title.value, title.value, pages.value, check.checked); + let book = new Book(title.value, author.value, pages.value, check.checked); library.push(book); render(); } From a8e6a6ae605ac106804713494994c2c753e3677e Mon Sep 17 00:00:00 2001 From: ChinweP Date: Sat, 8 Aug 2026 01:02:58 +0100 Subject: [PATCH 3/7] Fix reference to myLibrary in submit function --- debugging/book-library/script.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js index ef882fa4..45277227 100644 --- a/debugging/book-library/script.js +++ b/debugging/book-library/script.js @@ -38,7 +38,7 @@ function submit() { return false; } else { let book = new Book(title.value, author.value, pages.value, check.checked); - library.push(book); + myLibrary.push(book); render(); } } From fea140c4fc58fb67338c8d91db206e2c26ef5a6b Mon Sep 17 00:00:00 2001 From: ChinweP Date: Sat, 8 Aug 2026 01:41:56 +0100 Subject: [PATCH 4/7] Fix typos and improve validation in book submission and rendering functions --- debugging/book-library/script.js | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js index 45277227..6df1b06e 100644 --- a/debugging/book-library/script.js +++ b/debugging/book-library/script.js @@ -7,7 +7,7 @@ window.addEventListener("load", function (e) { function populateStorage() { if (myLibrary.length == 0) { - let book1 = new Book("Robison Crusoe", "Daniel Defoe", "252", true); + let book1 = new Book("Robinson Crusoe", "Daniel Defoe", "252", true); let book2 = new Book( "The Old Man and the Sea", "Ernest Hemingway", @@ -31,6 +31,8 @@ function submit() { if ( title.value == null || title.value == "" || + author.value ==null || + author.value == "" || pages.value == null || pages.value == "" ) { @@ -76,7 +78,7 @@ function render() { changeBut.className = "btn btn-success"; wasReadCell.appendChild(changeBut); let readStatus = ""; - if (myLibrary[i].check == false) { + if (myLibrary[i].check == true) { readStatus = "Yes"; } else { readStatus = "No"; @@ -90,11 +92,11 @@ function 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 () { + delButton.id = i + 5; + deleteCell.appendChild(delButton); + delButton.className = "btn btn-warning"; + delButton.innerHTML = "Delete"; + delButton.addEventListener("click", function () { alert(`You've deleted title: ${myLibrary[i].title}`); myLibrary.splice(i, 1); render(); From 04e942b73b94f5dd7709bd3674802524f4d463f7 Mon Sep 17 00:00:00 2001 From: ChinweP Date: Sat, 8 Aug 2026 01:48:57 +0100 Subject: [PATCH 5/7] Reset form fields after book submission --- debugging/book-library/script.js | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js index 6df1b06e..8f85eac3 100644 --- a/debugging/book-library/script.js +++ b/debugging/book-library/script.js @@ -42,6 +42,11 @@ function submit() { let book = new Book(title.value, author.value, pages.value, check.checked); myLibrary.push(book); render(); + + title.value = ""; + author.value = ""; + pages.value = ""; + check.checked = false; } } From 707375bc5231f991f7f911d1be7a35be821c46fa Mon Sep 17 00:00:00 2001 From: ChinweP Date: Sat, 8 Aug 2026 01:59:08 +0100 Subject: [PATCH 6/7] Fix formatting in submit function for consistency --- debugging/book-library/script.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js index 8f85eac3..06a5da74 100644 --- a/debugging/book-library/script.js +++ b/debugging/book-library/script.js @@ -45,7 +45,7 @@ function submit() { title.value = ""; author.value = ""; - pages.value = ""; + pages.value = ""; check.checked = false; } } From 701c1788a71ea864a3827cf71fbbedebcaea3009 Mon Sep 17 00:00:00 2001 From: ChinweP Date: Mon, 10 Aug 2026 21:12:21 +0100 Subject: [PATCH 7/7] Improve book library HTML and form handling --- debugging/book-library/index.html | 48 +++++------ debugging/book-library/script.js | 130 +++++++++++++++--------------- 2 files changed, 87 insertions(+), 91 deletions(-) diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html index 23acfa71..f506b7d7 100644 --- a/debugging/book-library/index.html +++ b/debugging/book-library/index.html @@ -1,20 +1,18 @@ - + - - + My Book Library + + + - + > + @@ -28,46 +26,48 @@

Library

+
+ > + > + > + >
+
@@ -80,17 +80,9 @@

Library

- - - - - - - - - +
- + diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js index 06a5da74..0f774b6f 100644 --- a/debugging/book-library/script.js +++ b/debugging/book-library/script.js @@ -1,110 +1,114 @@ let myLibrary = []; -window.addEventListener("load", function (e) { +window.addEventListener("load", function () { populateStorage(); render(); }); function populateStorage() { if (myLibrary.length == 0) { - let book1 = new Book("Robinson Crusoe", "Daniel Defoe", "252", true); - let book2 = new Book( + 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(); } } -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"); +const bookForm = document.getElementById("book-form"); +bookForm.addEventListener("submit", 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() { +function submit(event) { + event.preventDefault(); if ( - title.value == null || - title.value == "" || - author.value ==null || - author.value == "" || - pages.value == null || - pages.value == "" + titleInput.value.trim() === "" || + authorInput.value.trim() === "" || + pagesInput.value.trim() === "" ) { alert("Please fill all fields!"); return false; - } else { - let book = new Book(title.value, author.value, pages.value, check.checked); + } + + const pageCount = Number(pagesInput.value); + + if (!Number.isInteger(pageCount) || pageCount < 1) { + alert("Pages must be a positive whole number!"); + return false; + } + const book = new Book(titleInput.value.trim(), authorInput.value.trim(), pageCount, checkInput.checked); myLibrary.push(book); render(); - title.value = ""; - author.value = ""; - pages.value = ""; - check.checked = false; + titleInput.value = ""; + authorInput.value = ""; + pagesInput.value = ""; + checkInput.checked = false; } -} -function Book(title, author, pages, check) { + +function Book(title, author, pages, isRead) { this.title = title; this.author = author; this.pages = pages; - this.check = check; + this.isRead = isRead; } 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); - } + const bookList = document.getElementById("book-list"); + + bookList.innerHTML = ""; + //insert updated row and cells - let length = myLibrary.length; + const 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 row = document.createElement("tr"); + bookList.appendChild(row); + + 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 == true) { - readStatus = "Yes"; - } else { - readStatus = "No"; - } - changeBut.innerText = readStatus; - - changeBut.addEventListener("click", function () { - myLibrary[i].check = !myLibrary[i].check; + const readButton = document.createElement("button"); + readButton.className = "btn btn-success"; + wasReadCell.appendChild(readButton); + + const readStatus = myLibrary[i].isRead ? "Yes" : "No"; + readButton.textContent = readStatus; + + readButton.addEventListener("click", function () { + myLibrary[i].isRead = !myLibrary[i].isRead; render(); }); - //add delete button to every row and render again - let delButton = document.createElement("button"); - delButton.id = i + 5; - deleteCell.appendChild(delButton); - delButton.className = "btn btn-warning"; - delButton.innerHTML = "Delete"; - delButton.addEventListener("click", function () { - alert(`You've deleted title: ${myLibrary[i].title}`); + + //add delete button to every row and render again+ + const deleteButton = document.createElement("button"); + deleteCell.appendChild(deleteButton); + deleteButton.className = "btn btn-warning"; + deleteButton.textContent = "Delete"; + deleteButton.addEventListener("click", function () { + const deletedTitle = myLibrary[i].title; myLibrary.splice(i, 1); render(); + alert(`You've deleted title: ${deletedTitle}`); }); } }