ion, the portion of the selected suggestion that has not been typed by the user, a completion string, appears inline after the input cursor in the textbox.
          The automatically selected suggestion becomes the value of the textbox when the combobox loses focus unless the user chooses a different suggestion or changes the character string in the textbox.
          Note that this implementation enables users to input the name of a state or territory, but it does not prevent input of any other arbitrary 