JSFiddle - React, Tailwind, and code Playground

HTML

<div class="product-field product_field_66 product-field-type_1">
VĂ­deo
<ul>
<li class="http://https//www.youtube.com/watch?v-zjxu5uvzfaa">http://https//www.youtube.com/watch?v=zJXU5UvZfAA</li>
</ul>
</div>

JavaScript

console.log(document.getElementsByTagName("li")[0].innerHTML);