JSFiddle - React, Tailwind, and code Playground

HTML

this text will not be hide 
<p> this text will be hide </p>
<div class="xxx_12">this text</div>

JavaScript

$(document).ready(function(){
   $("p").hide()
   var vvvv = 12;
   $(".xxx_'<%= vvvv %>' ").hide()
});