Enable draggable functionality on any DOM element. Move the draggable object by clicking on it with the mouse and dragging it anywhere within the viewport.

Blinds the element away or shows it by blinding it in.

The Autocomplete widgets provides suggestions while you type into the field. Here the suggestions are tags for programming languages, give "ja" (for Java or JavaScript) a try.

The datasource is a simple JavaScript array, provided to the widget using the source-option.