JSFiddle - React, Tailwind, and code Playground

HTML

<input class="loadhtml" data-html="page1" type="radio" name="options" id="option1">
 <input class="loadhtml" data-html="page2" type="radio" name="options" id="option2">
 <input class="loadhtml" data-html="page3" type="radio" name="options" id="option2">

JavaScript

$('input.loadhtml').on('change', function(){
    var data = $(this).data('html');
    //$('#main-content').load(data + '.html');
     alert(data);
 });