The Dyalog Control Input enhances the base HTML input element in a number of ways.
The first argument specifies the type of input field. Here are some of the more unusual, but powerful input types; however different browsers vary in their support for these. E.g. Firefox and Internet Explorer do not provide the interactive date & time picker.
The second argument specifies the initial value for the input field.
The third and fourth arguments specify the label and label position for the input field.