Note:
Compares the String value to the system's locale settings.
Returns
0 match
-1 no match, and the parameter value comes before
the String object's value in the locale sort order
1 no match, and the parameter value comes after the
String object's value in the locale sort order
Syntax:
stringName.localeCompare(param1)
Parameters:
param1 Required; the string to search for inside the object.