isGlobalVariableExists ( string variableName ) : boolean
Check if a global variable exists and return true or false.
Example
sessionData = "toto"
def local = "I a local"
console(isGlobalVariableExists("sessionData")) //-> true
console(isGlobalVariableExists("local")) //-> false
console(isGlobalVariableExists("nonExistentVar")) //-> false
Parameters
variableName
The name of the variable to check.