DropCap object: Removes the dropped capital letter formatting.
KeyBinding object: Removes the key binding from the KeyBindings collection and resets a built-in command to its default key assignment.
ListEntries object: Removes all items from a drop-down form field.
TabStop object: Removes the specified custom tab stop.
TextInput object: Deletes the text from the specified text form field.
Syntax
expression.Clear
expression Required. An expression that returns a DropCap, KeyBinding, ListEntries, TabStop, or TextInput object.