jQuery Simple Example

HTML

<script src="//www.addressfinder.co.nz/assets/v2/widget.js"></script>
<input type="text" id="user-input" />

<div id="user-text"></div>

JavaScript

var userText = $('#user-text');
$(document).on('input', '#user-input', function(event){
    userText.html( $(this).val().replace(/\s/g,'&nbsp;') );
});