Know2Comment 介绍
KNow2Comment 是一款 wordpress
的开源评论插件，插件的功能很简单，就是给出一道与文章内容有关的谜题，并要求读者在评论前正确回答谜题，以证明他们已经读过了文章。
完整的实现示例
<script src="nrkbetaquiz.js"></script>
<div class="nrkbetaquiz"
data-nrkbetaquiz="[{
text: 'Who is the current president of the United States?'
answers: ['Barack Obama', 'Donald Trump', 'Steve Bannon'],
correct: 2
}, {
text: 'What is the radius of Earth?'
answers: ['6 371 kilometers', '371 kilometers', '200 kilometers'],
correct: 0
}]"
data-nrkbetaquiz-error="You fail">
</div>
<div id="YOUR_COMMENT_FORM_CONTAINER"></div>