댓글 저장 후 입력된 값이 초기화 되지 않는데요(IE에서만 정상적으로 초기화됨)

echo '  <div class="replywrite comment_write">    <form id="fcomment'.$i.'">      <input type="hidden" name="mode" value="signcomment">      <input type="hidden" name="wr_id" value="'.$pshow[wr_id].'">      <input type="hidden" name="showbox" value="show_comment_box'.$i.'">                           <p>댓글쓰기</p>      <textarea id="wr_content'.$i.'" name="wr_content" required class="required"></textarea>';         if($is_member) {          echo '<button type="button" onclick="check_comment'.$i.'()">등록</button>';        } else {          echo '<button type="button" onclick="alert(\'회원전용입니다. 로그인후 사용하세요.\');">등록</button>';         }    echo '</form> ';     echo '    <script>      function check_comment'.$i.'() {        if(!$("#wr_content'.$i.'").val()) {          alert(\'댓글을 작성하신후 등록하세요.\');             return false;        }        ajax_form("fcomment'.$i.'");              }    </script>                                      </div> ';   function ajax_form(formid) {   	  $.ajax ({  	    type:"POST",  	    url:"savedata.php",  	    data:$('#'+formid).serialize(),  	    success:function(html) {  	      var htmls = html.split("[:]");  	      if(htmls[0] == "signcomment") {   	          $('#'+htmls[1]).html(htmls[2]);   	          $('.comment_write textarea').text('');  	      } else if(htmls[0] == "signreview") {   	          $('#'+htmls[1]).html(htmls[2]);   	          $('.comment_write textarea').text('');  	      } else if(htmls[0] == "warn") {      		      alert(htmls[1]);          }	        	    },       error: function(xhr, option, error){             alert(xhr.status);              alert(error);        }  	  });}