JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li> One <a href="#" class="showmore_link">show more</a>  <span class="showmore" style="display:inline"> More about One </span></li>
    <li> Tow <a href="#" class="showmore_link">show more</a>  <span class="showmore" style="display:none"> More about Two </span></li>
    <li> Three <a href="#" class="showmore_link">show more</a>  <span class="showmore" style="display:none"> More about Three </span></li>
</ul>

JavaScript

$(document).ready(function() {
         
          show_more_toggle=function(){
        $(this).siblings(".showmore").slideToggle();
     }             
         
        $(".showmore_link").click(show_more_toggle);
         

         
     });