angular-docs-cn/aio/tools/transforms/templates/api/includes/selectors.html

{%- if doc.selector %}
<section class="selectors">
  <h2>Selectors</h2>
  <code-example hideCopy="true" class="no-box api-heading selector">
  {%- for selector in doc.selector.split(',') %}
  {$ selector $}{% endfor %}
  </code-example>
</section>
{% endif %}