jQuery UI Autocomplete w/ source as function

by JAAulde

HTML

<form id="foo">
    <input id="bar" placeholder="Type a tag" height="2" type="text" />
    <button type="button"><span>Post</span></button>
</form>

JavaScript

var tags = [ "c++", "java", "php", "coldfusion", "javascript", "asp", "ruby" ];
$( "#bar" ).autocomplete({
  source: function( request, response ) {
          var matcher = new RegExp( "^" + $.ui.autocomplete.escapeRegex( request.term ), "i" );
          response( $.grep( tags, function( item ){
              return matcher.test( item );
          }) );
      }
});