The autosuggest widget provides suggestions while you type into the field. The datasource is a simple JS array, provided to the widget using the second @param `suggestions`.
var tags = [
"ActionScript",
"AppleScript",
"Asp",
"BASIC",
"C",
"C++",
"Clojure",
"COBOL",
"ColdFusion",
"Erlang",
"Fortran",
"Groovy",
"Haskell",
"Java",
"JavaScript",
"Lisp",
"Perl",
"PHP",
"Python",
"Ruby",
"Scala",
"Scheme"],
suggest = Autosuggest('#tags', tags);