JSFiddle - React, Tailwind, and code Playground

HTML

<div class="textbtn" data-newsID=1>Btn1</div>
<div class="textbtn" data-newsID=2>Btn2</div>
<div class="textbtn" data-newsID=3>Btn3</div>
<div id="newsBox"></div>

CSS

.textbtn{
  cursor: pointer;   
}

JavaScript

$(document).ready(function(){
  newsItems = new Array("News 1", "News 2", "News 3");
  $(".textbtn").click(function(){
      $("#newsBox").html(newsItems[$(this).attr("data-newsID")-1]);
  });
});