Nowadays JavaScript has three different keywords to declare a variable — var, let and, const. Each has its own properties and particularities. Let’s start by making a simple comparison table of the ...

When the macro processor executes a macro program statement that can create a macro variable (such as a %LET statement), the macro processor attempts to change the value of an existing macro variable ...

Global macro variables include the following: all automatic macro variables except SYSPBUFF. See Chapter 13, "Macro Language Dictionary," for more information on SYSPBUFF and other automatic macro ...

I think everybody here can agree on that global variables are bad. <BR><BR>However I wonder what people in general think of instance variables.<BR><BR>Lately at work I have gotten frustrated with some ...