gsp - <g:each>

<g:each in="${books}">
    <p>Title: ${it.title}</p>
    <p>Author: ${it.author}</p>
</g:each>

<g:each var="book" in="${books}">
    <p>Title: ${book.title}</p>
    <p>Author: ${book.author}</p>
</g:each>

<tbody>
  <g:each status="i" in="${itemList}" var="item">
    <!-- Alternate CSS classes for the rows. -->
    <tr class="${ (i % 2) == 0 ? ‘a‘ : ‘b‘}">
      <td>${item.id?.encodeAsHTML()}</td>
      <td>${item.parentId?.encodeAsHTML()}</td>
      <td>${item.type?.encodeAsHTML()}</td>
      <td>${item.status?.encodeAsHTML()}</td>
    </tr>
  </g:each>
</tbody>