weseek__growi/src/server/views/layout-growi/widget/liker-and-seenusers.html

<div class="liker-and-seenusers">
  <div
    id="liker-list"
    data-user-ids-str="{{ page.liker|slice(-15)|default([])|reverse|join(',') }}"
    data-sum-of-likers="{{ page.liker.length|default(0) }}"
  ></div>
  <div
    id="seen-user-list"
    data-user-ids-str="{{ page.seenUsers|slice(-15)|default([])|reverse|join(',') }}"
    data-sum-of-seen-users="{{ page.seenUsers.length|default(0) }}"
  ></div>
</div>