add deletedtitle variable to store the title

Author: AhmadHmedann

debugging/book-library/script.js

@@ -98,10 +98,9 @@ function render() {
     deleteBut.className = "btn btn-warning";
     deleteBut.textContent = "Delete";
     deleteBut.addEventListener("click", function () {
-      //
-      
+      const DeletedTitle = myLibrary[i].title;
       myLibrary.splice(i, 1);
-      alert(`You've deleted title: ${myLibrary[i].title}`);
+      alert(`You've deleted title: ${DeletedTitle}`);
       render();
     });
   }