Function: hasHash( arrayOfHashTagsOrDCObjects, stringOptionalHashTagToMatch )

Description: Checks if a hash tag matches an associated DC object or id within a specified array.

Returns: True if yes, False otherwise.

Note: If stringOptionalHashTagToMatch is undefined, the hash tag associated with the current page URL will be used instead.

Example:

// Check the current url.
var hasMatch = $A.hasHash();

// Check against an array of hash ids.
var hasMatch = $A.hasHash([
  "UniqueId1", "UniqueId2", "Etc"
]);