Brightsign BrightScript 2 Reference Guide Manuale Utente Scaricare il pdf (Pagina 22)

Scope

BrightScript uses the following scoping rules:

 Currently all related BrightScript code must reside in one file. This set of code is

known as a “module”.

 BrightScript does not support global variables. Except, there is one hard-coded

global variable “global” that is an interface to the global object. The global object

contains all global library functions.

 Functions declared with the FUNCTION statement are at global scope, unless

they are anonymous, in which case they are local scope.

 Local variables exist with function Scope. If a function calls another function,

that new function has its own scope.

 Labels exist in function scope.

 Block Statements (like FOR-NEXT or WHILE-END WHILE) do not create a

separate scope

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Brightsign BrightScript 2 Reference Guide Manuale Utente Pagina 22