This code sample is adapted from Clifford B. Anderson and Joseph C. Wicentowski, XQuery for Humanists (College Station: Texas A&M University Press, 2020), 153. Download this code sample in its raw form. View the source on GitHub.

let $zip-codes :=
    <zip-codes city="Nashville">
        <zip-code>37027</zip-code>
        <zip-code>37210</zip-code>
        <zip-code>37209</zip-code>
        <zip-code>37212</zip-code>
    </zip-codes>
for $zip-code in $zip-codes/zip-code
return
    $zip-code/text()