Maybe sometime we need to create a wprdpress menu with a blank title, means that you want to use only an icon instead of icons plus text. Specially when you want to make a mobile menu the same as facebook or instagram applications menu or the same as sdnhost Home icon in the main menu bar.
but if you remove title of a menu in wordoress, the item will be completely removed automatically and can’t be back again.
It is completely easy thing that needs no coding.
Doing it this way, the item is not removed from the menu.