JSFiddle - React, Tailwind, and code Playground
HTML
<body><div>
<textarea id="myTA" rows=2 cols=4></textarea>
</div></body>
JavaScript
$(document).ready(function() {
var myTA = $('#myTA');
alert(myTA[0].scrollHeight);
});
<body><div>
<textarea id="myTA" rows=2 cols=4></textarea>
</div></body>
$(document).ready(function() {
var myTA = $('#myTA');
alert(myTA[0].scrollHeight);
});