This can then be used to manipulate the class list. Must be implemented in the child class. If you need online forms for generating leads, distributing surveys, collecting payments and more, JotForm is for you. Member types A spreadsheet form allows you to enter quickly large amounts of data into a table or list of cells. Below example will take input fields as text, radio button, drop down menu, and checked box. Aliased as member type list::value_type. List of objects recognized by all browsers, with the source code, and how to use them. The