... ends.Variables and Data Types 43 Gilmore _ 02 12 /4/ 00 1: 04 PM Page 43 Variable VariablesOn occasion it is useful to make use of variables whose contents can be treateddynamically as a variable ... complexity.Gilmore _03 12 /4/ 00 1: 04 PM Page 68Global VariablesIn contrast to local variables, a global variable can be accessed in any part of theprogram. However, in order to be modified, a global variable ... strings, arrays, objects, booleans)• IdentifiersVariables and Data Types53Gilmore _ 02 12 /4/ 00 1: 04 PM Page 53Table 3- 10. Bitwise OperatorsEXAMPLE LABEL OUTCOME $a & $b And And together each...