[Deff]

<script src="http://code.jquery.com/jquery-latest.js"></script>

<div id="container">
<div class="name">text</div>
</div>

<script>
$(document).ready(function() {
  $('.name').on('click',function() {
    $('.name').off('click')
    $(this).html("<input type='text' >");
     return false;
  });
});
</script>