动态切换input的 disables 属性

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$("input[type='text']").each(function(){     if($(this).data('parent_id')){         var _each_this_parent_id = parseInt($(this).data('parent_id'));         if(_each_this_parent_id != 0){             var is_in = $.inArray(_each_this_parent_id,radio_checked_array);//返回-1,不在数组中;0,在数组中             //如果不在数组中;             // console.log(is_in);             if(is_in == -1){                 console.log('0000');                 $(this).attr('disabled','disabled'); //             }else{                 console.log('1111');                 $(this).removeAttr('disabled');//再用attr改变属性不行;~~~             }         }     } });