<uris>{
    for $i in collection()
    return <uri>{ base-uri($i) }</uri>
}</uris>

XQuery with execution and HTML output.

<ul>{
    for $i in collection()
    return <li>{ base-uri($i) }</li>
}</ul>

XML output only and ready only

<foo>
    <bar>baz</bar>
</foo>

Javascript/JSON output only yet editable

{
    "foo": 1 
}