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• Global variables are not supported; however, there is a single hard-coded global variable (“global”) that is an interface to the global BrightScript object,which contains all global library functions.
• Functions declared with the Function statement are global in scope; however, if the function is anonymous, it will still be local in scope.
• Local variables exist within the function scope. If a function calls another function, that new function has its own scope.
• Labels exist within the function scope.
• Block statements such as For / End For and While / End While do not create a separate scope.