Placeholder jQuery Polyfil

Placeholder-Polyfil

<script type="text/javascript">
  $(document).ready(function() {
    //$('input').placeholder();
    $('[placeholder]').focus(function() {
      var input = $(this);
      if (input.val() === input.attr('placeholder')) {
        input.val('');
        input.removeClass('placeholder');
      }
    }).blur(function() {
      var input = $(this);
      if (input.val() === '' || input.val() === input.attr('placeholder')) {
        input.addClass('placeholder');
        input.val(input.attr('placeholder'));
      }
    }).blur().parents('form').submit(function() {
      $(this).find('[placeholder]').each(function() {
        var input = $(this);
        if (input.val() === input.attr('placeholder')) {
          input.val('');
        }
      });
    });
  });

  // wrap js in this if there's an "ie8" class in the html tag
  if( $("html").hasClass("ie8") ) {
    // do something here!
  };
</script>