Got to this link : https://pushpak1809.github.io/crud/ Then you will see a blank page with header
Click on Home button in header. In Home page you will see a table of books in which you can perform crud operations if you want to update a book details click on edit and it will redirect you to edit page where you can update or edit details of books.
If you want to delete the particular book from the table click on delete and confirm by clicking on of in alert box.
If you want to see full details of the book click on view button it will show you the full details of book including ID of the book.
Now if you want to enter new entry (add a new book) click on ADD BOOK in header and it will redirect you to add page where you will be able to add a form in which you can add details of book and after filling the details click on save button it will add the book to the table.