JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
<h1 contenteditable="true">
EDIT ME!
</h1>

JavaScript

$('[contenteditable]').on('paste', function(e) {
     	var $self = $(this);
      setTimeout(function() {
       	$self.html($self.text());
       }, 0);
    }).on('keypress', function(e){
    	 return e.which != 13;
    });