JSFiddle - React, Tailwind, and code Playground

by Vladimir

HTML

<form  id="form_id" action="post100.html" method="post">
   <fieldset>
      <label for="Pinboard_entry" class="floatL">Text: </label>
      <textarea id="Pinboard_entry" rows="6" cols="45" name="entry" class=""></textarea>
      <div class="fieldNotes">
         <span id="pinboardCharsCount">10000001</span>&nbsp;digits left
      </div>
      <br>
      <div class="buttonArea">
         <input class="fieldBtnSubmit" value="Submit" type="submit">
         <input class="fieldBtnCancel" value="Reset" type="reset">
      </div>
   </fieldset>
</form>

JavaScript

var textarea = document.getElementById('Pinboard_entry');
textarea.value = "test";
$.post( "post100.html", $( "#form_id" ).serialize() );