JSFiddle - React, Tailwind, and code Playground

by Harm Zeinstra

HTML

<script src="ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<link rel="stylesheet" href="code.jquery.com/ui/1.10.4/themes/ui-lightness/jquery-ui.css">
<script src="ajax.googleapis.com/ajax/libs/jqueryui/1.10.4/jquery-ui.min.js"></script>
<textarea id="demo"></textarea>
<div id="test">
fasfafsffsafas
</div>

JavaScript

<!-- $('#demo').focus(function() {
  $('#test').css("background-color", "red");
}); -->

$( "#demo" ).focus(function() {
  alert( "Handler for .focus() called." );
});