JSFiddle - React, Tailwind, and code Playground

HTML

<form id="form" name="form" method="post">
    <textarea id="contentsubmit" name="contentsubmit" class="no-formatting contentsubmit" type="text" placeholder="textfield for submitting textcontent"></textarea>
    <input id="submit" type="submit" name="submit" value="Send" />
</form>

JavaScript

$(document).ready(function(){
    $('#contentsubmit').keypress(function(e) {
      if(e.which == 13) {
           $('#form').submit();
           // this.form.submit(); 
           // document.getElementById("form").submit(); 

           console.log('log me!');
           e.preventDefault(); // Stops enter from creating a new line
       }
    });
});