Алексей

<a href="#modal-order" onclick="getEmpId(this)" data-name="{$pagetitle}" class="pt uk-button uk-button-primary uk-width-1-1" uk-toggle>Запросить наличие</a>

function getEmpId(element) {
    var empId = element.dataset.name
    document.querySelector("input[name=title]").value = empId
}

<input type="text" id="af_title" name="title" value="" placeholder="" class="uk-input" readonly/>

Array ( [0] => data-tags="offices" [1] => data-tags="kitchens" )

{set $rows = 20 | resource : 'group' | fromJSON}
{foreach $rows as $row}
<li {$row.group | join | replace:",":" "}>
    <div class="uk-card uk-card-default uk-card-body">Item</div>
</li>
{/foreach}