Yes you can use the variable after a loop, but be aware that in your example the variable will be 10 outside of the loop.
SET var=;
For var = 0 to 9
Trace In loop var=$(var);//The variable will be between 0-9
Next var //the var value increase with +1. When >9 the loop stops.
Trace After loop var=$(var); //The variable is now 10
Yes, I would say that you can consider all variables in an Qlik Sense application as global, with exceptions for local variables within a SUB.
However, you might run into vG. (global) and vL. (local) variables if you run into environments using the QDF standard variable naming conventions. In this cases the local/global has no technical limitations, it is only limited by naming and usage conversions set by the framework.
Yes you can use the variable after a loop, but be aware that in your example the variable will be 10 outside of the loop.
SET var=;
For var = 0 to 9
Trace In loop var=$(var);//The variable will be between 0-9
Next var //the var value increase with +1. When >9 the loop stops.
Trace After loop var=$(var); //The variable is now 10
