Syntax:
<object_parameter> isupper
Return:
Boolean. Returns true if all characters in
<object_parameter> are uppercase letters, otherwise false.
Parameter <object_parameter>:
String to be checked. Required parameter; type is string; parameter name omitted.
Example:
Check if "ABC" consists entirely of
uppercase letters.
NLC snippet: "ABC" isupper // result is true
Example:
Check if "Aa#" consists entirely of
uppercase letters.
NLC snippet: "Aa#" isupper // result is false.