JSFiddle - React, Tailwind, and code Playground

by Robbie Wxyz

HTML

<form action="" method="post" 
        onsubmit="document.getElementById('hidden_data').value=
        document.getElementById('showing_data').innerHTML;">
    <input id="hidden_data" name="data" type="hidden"/>
    Editable: <div contenteditable="true" id="showing_data"
        style="width:200px;border:3px solid red;min-height:22px;"></div>
            <input type="submit" value="GO"/>
</form>