anchor.diff:  				$('.menu_bar').on('keyup change mouseout','.autoExtend',function(){
   					var _this = $(this);
   					var length_val = 0;
  -					if(_this.get(0).tagName === 'textarea'){
  +					if(_this.get(0).localName === 'textarea'){
   						length_val = _this.html().length;
   					}else{
   						length_val = _this.val().length;
  
positive.code: 							}
  							pool[my_obj_id] = body;
  						},
  							"stringify":function(){
  								var rtn = JSON.stringify(pool[mother_id].child_s);
  								//console.log(rtn);
  								return rtn;
  							}
  					};
  
negative.code: 					};
  				};
  
  				function extract_from_dom(tree, user_add_content_s){
  					var len_content_s = user_add_content_s.length;
  					for(var i=0; i < len_content_s; ++i){
  						var target = my_apply();
  						var content = user_add_content_s[i];
  						var _content = $(content);
  						var my_obj_id = _content.data('my-obj-id');
  
  						for(var key in content) if(typeof _content.attr(key) !== 'undefined'){
  							target.prop_s[key] = _content.attr(key);
  						}
  						target.tag = content.localName;
  
  						var raw_my_obj_val = _content.data('my-obj-val');
  						var my_obj_val ;
  