fix book library app bugs

Author: Dipa-Sarker

debugging/book-library/debugging-notes.md

@@ -0,0 +1,61 @@
+# HTML Debugging Checklist
+
+## Page Structure
+
+## Book Input Form
+
+## Add Book Button
+
+## Book Display Area
+
+## Delete Functionality
+
+## Read Status
+
+## Validation Support
+
+## Browser Testing
+
+
+# JavaScript Debugging Checklist
+
+## Library Data Storage
+
+## Page Loading
+
+## Add Book Function
+
+## Book Constructor
+
+## Render Function
+
+## Read/Unread Button
+
+## Delete Button
+
+## Console Errors
+
+
+## Final Testing
+- [ ] Add a book with all information
+- [ ] Add a book without title
+- [ ] Add a book without author
+- [ ] Add a book without pages
+- [ ] Add a read book
+- [ ] Add an unread book
+- [ ] Delete a book
+- [ ] Change read/unread status
+
+# HTML correction:
+- input type 
+- submit function
+- 
+# Script.js correction:
+- delete e from addEventListener
+- correct book name
+- add input validation for author value in submit() function
+- add author.value replacing title.value in new Book()
+- replace library by myLibrary
+- correct check == true/false and made correction for readstatus = yes/no for read button
+- correct variable name delBut > delButton
+- correct clicks > click

debugging/book-library/index.html

@@ -31,15 +31,15 @@ <h1>Library</h1>
       <div class="form-group">
         <label for="title">Title:</label>
         <input
-          type="title"
+          type="text"
           class="form-control"
           id="title"
           name="title"
           required
         />
         <label for="author">Author: </label>
         <input
-          type="author"
+          type="text"
           class="form-control"
           id="author"
           name="author"

debugging/book-library/script.js

@@ -1,13 +1,14 @@
 let myLibrary = [];
 
-window.addEventListener("load", function (e) {
+window.addEventListener("load", function () {
+  //delete e as it is never used
   populateStorage();
   render();
 });
 
 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); //correct book name
     let book2 = new Book(
       "The Old Man and the Sea",
       "Ernest Hemingway",
@@ -31,14 +32,17 @@ function submit() {
   if (
     title.value == null ||
     title.value == "" ||
+    author.value == null || //need input validation for author value, added this
+    author.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);
+    let book = new Book(title.value, author.value, pages.value, check.checked); //added author.value by
+    // replacing 2nd title.value to author.value
+    myLibrary.push(book); //corrected name for original array library > myLibrary
     render();
   }
 }
@@ -54,7 +58,7 @@ 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
@@ -76,7 +80,10 @@ function render() {
     changeBut.className = "btn btn-success";
     wasReadCell.appendChild(changeBut);
     let readStatus = "";
-    if (myLibrary[i].check == false) {
+    if (myLibrary[i].check == true) {
+      // correct for read button, if user checks reads,
+      // it sould be check == true & button shows yes, but previuos it was false > yes, ture > no, means
+      // reverse
       readStatus = "Yes";
     } else {
       readStatus = "No";
@@ -90,11 +97,12 @@ 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; // correct variable name delBut > delButton
+    deleteCell.appendChild(delButton);
+    delButton.className = "btn btn-warning";
+    delButton.innerHTML = "Delete";
+    delButton.addEventListener("click", function () {
+      // correct clicks > click
       alert(`You've deleted title: ${myLibrary[i].title}`);
       myLibrary.splice(i, 1);
       render();