Those are examples of higher-order functions that accept functions as arguments, but plenty of them return functions as well. If you’ve ever seen a function call that has two sets of parentheses ...

onclick is server-side, so you can't put anything other than the name of the function in there.<BR><BR>However, LinkButton has CommandName and CommandArgument attributes.

We’ll want the users of our data structure to be able to determine which value they want, so we’ll modify our inner function to accept an argument that will determine which value to return.

Note: The argument parameter of the DATA step SUBSTR (left of =) function is also an update parameter. For all methods that you define with the METHOD statement, all parameters are assumed to be ...