Duplication the input field value to multiple input field

by Naresh

HTML

<div id="dup">
  <input type="text" id="hi">
  <input type="text" id="hi">
  <input type="text" id="hi">
</div>

JavaScript

$('input').on('keyup', function(){
  			var val = $(this).val();
        $('#dup #hi').val(val);
});