enable tinymce on a target textarea by id

HTML

<h3>These buttons enable and disable the editor on both text areas below</h3>
<p>
<button class='btn btn-primary' onclick="load_tinymce('textarea');">Enable TinyMCE All Textareas</button>
<button class='btn btn-primary' onclick="tinymce.remove('textarea');">Disable TinyMCE All Textareas</button>
</p>

<h3>Single Target load and unload</h3>
<p>These buttons enable and disable the editor on just the editor with the id <code>#tinymce_enabled</code></p>
<p>
<button class='btn btn-primary' onclick="load_tinymce('#tinymce_enabled');">Enable TinyMCE Single</button>
<button class='btn btn-primary' onclick="tinymce.remove('#tinymce_enabled');">Disable TinyMCE Single</button>
</p>


<p><textarea id="tinymce_enabled" placeholder="tinymce_enabled"></textarea></p>
<p><textarea id="tinymce_disabled" placeholder="tinymce_disabled"></textarea></p>

Scripts

<script src="https://cdnjs.cloudflare.com/ajax/libs/tinymce/4.8.4/tinymce.min.js" integrity="sha256-rjy8f5xTyKOb6CxACEd6Vc99uhhjTKuqmTMrZ7TbdOA=" crossorigin="anonymous"></script>

Javascript

function load_tinymce(idclass) {
      tinymce.init({
          selector: idclass,
          plugins: [ "spellchecker code autolink link image fullscreen searchreplace wordcount visualblocks visualchars insertdatetime media table paste textcolor textpattern emoticons media lists" ],
          toolbar1: "insertfile undo redo | styleselect | bold italic | alignleft aligncenter alignright alignjustify | bullist numlist outdent indent | link unlink image | code | forecolor backcolor | emoticons",
          image_advtab: true,
          height: 400,
          content_css : "/css/style.css",
					relative_urls: false,
          convert_urls: false,
          remove_script_host : false					
      });
  }