JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://tinymce.cachefly.net/4.1/tinymce.min.js"></script>
<link rel="stylesheet" href="http://moxiecode.cachefly.net/tinymce/v8/css/all.min.css?v=8">
<div>
    <p>Title</p>

<form method="post" action="somepage">
    <textarea name="content" style="width:100%">This is HTML stuff <plug:plugin /></textarea>
</form>
    
</div>

JavaScript

tinymce.init({
    selector: "textarea",
    plugins: [
        "advlist autolink lists link image charmap print preview anchor",
        "searchreplace visualblocks code fullscreen",
        "insertdatetime media table contextmenu paste"
    ],
    toolbar: "insertfile undo redo | styleselect | bold italic | alignleft aligncenter alignright alignjustify | bullist numlist outdent indent | link image",
    extended_valid_elements: "plug:plugin[*]",
    custom_elements: "~plug:plugin",
    short_ended_elements: 'area base basefont br col frame hr img input isindex link meta param embed source wbr track plug:plugin'
});