JSFiddle - React, Tailwind, and code Playground

HTML

<div id="content">
<textarea class="thaanaEditor" id="textarea" ></textarea>
</div>

JavaScript

$(document).ready(function(){

var textarea = $("#textarea");
var frame = $("<iframe class='thaana-editor-html' id='editable' />");
$(frame).width('500px');
$(frame).height('250px');
$(textarea).parent().prepend(frame);

var iframe = document.getElementById("editable");
var iframeObject = $(iframe).contents().get(0);
iframeObject.designMode = "on";


});