code: function(_input,_clazz){
  		        var _id = _e._$id(_input),
  		            _label = _e._$wrapInline(_input,{
  		                tag:'label',
  		                clazz:_clazz,
  		                nid:_ropt.nid
  		            });
  		        _label.htmlFor = _id;
  		        var _text = _e._$attr(_input,'placeholder')||'';
  		        _label.innerText = _text=='null'?'':_text;
  		        var _height = _input.offsetHeight+'px';
  		        _e._$style(_label,{
  		            left:0,
  		            // width:_input.offsetWidth+'px',
  		            // height:_height,lineHeight:_height,
  		            display:!_input.value?'':'none'
  		        });
  		    }
docs: wrapper input control