JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li>1</li>
    <li>2</li>
    <li>3</li>
    <li>4</li>
    <li>5</li>
</ul>

<h1>"I have " + count + " list items"</h1>

JavaScript

var count = 0;

$("li").each(function(){
      count++;      
    });