<!DOCTYPE HTML>
<html>
  <head>   
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.js"></script>
    <script>
    function add(){
      $("#d").append('<div>' + $("#txt1").val() + '</div>' );
      $("#txt1").val('')
    }
    </script>
  </head>
  <body>
    <input type="text" value="" id="txt1" />
    <input type="button" value="add" onclick="add()" />
    <div id="d"></div>
  </body>
</html>