答案:
<div class="ts-faq-accordion-content" itemscope itemtype="http://schema.org/FAQPage">
<div class="ts-faq-accordion-item" itemprop="mainEntity" itemscope itemtype="http://schema.org/Question">
<div class="ts-faq-item-header">
<h4 class="ts-faq-item-question" itemprop="name">
How to add schema markup to FAQ HTML code?
</h4>
<div class="ts-faq-item-icon">
<i class="down-icon"></i>
</div>
</div>
<div class="ts-faq-item-content" itemprop="acceptedAnswer" itemscope itemtype="http://schema.org/Answer">
<p class="ts-faq-item-answer" itemprop="text">
Your Content Meets Google Guidelines for FAQPage. Google has guidelines you need to follow in order to enable rich results.
</p>
</div>
</div>
</div>