twitter/bootstrap — pull request #7862 by dhui (2013-05-13 07:53:47+00:00)
Title: Store the typeahead data via $.data() instead of $.attr() to allow custom String objects to be stored.

It looks like Bootstrap typeahead was removed in 3.0 in favor of Twitter's typeahead.

However, it'd be nice to have this functionality in the mean while.

Live example:
http://jsfiddle.net/JLnbc/3/