JSFiddle - React, Tailwind, and code Playground
HTML
<label for="txtMessage">Message text:</label>
<input type="text" id="txtMessage" />
<input type="button" id="myButton" value="Display Message" />
<div id="divOutput" />
JavaScript
$('#myButton').click(function(event){
/*
* I would not to referer UI elements here
* Rather I would pass the $('#txtMessage').val() to the handler
*/
var txt = $('#txtMessage').val();
$('#divOutput').html(txt);
});