* STRING OPERATORS
** WHAT IS IT?
There is only one operator for string, and that is, using
the plus symbol (+), Using this operator with strings with
performstring concatneation

*** Data Conversion Commands
1. parseFloat()
     Syntax: parseFloat(variable)
     Function: It converts string literal to floating-point
               numbers

2. parseint()
     Syntax: parseint(varible)
     Functtion: It converts literal to integer

3. toUpperCase()
     Syntax:"string".toUpperCase()/string_variable
            .toUppercase()

     Function: converts specified text string to uppercase

4. toLowerCase()
     Syntax: "string".toUpperCase()/string_variable
             .toLowerCase()

     Function: converts specified text string to lowercasex