// 彈出樓棟負責(zé)人信息頁面   layer.open({   type: 2,   title:'請選擇樓棟負責(zé)人',   maxmin: false,   area: ['60%', '80%'],   offset: '0px',   content: '${ctx}/life/houserInsertion/headBuildingInfo?pkProject='+pkProject,   btn: ['確定','關(guān)閉'],    yes: function(index){    //當(dāng)點擊‘確定'按鈕的時候，獲取彈出層返回的值    var res = window["layui-layer-iframe" + index].callbackdata();    //打印返回的值，看是否有我們想返回的值。    console.log(res);    for (var i = 0; i < res.length; i++) {    var html = "<div class='text' value='' style='visibility: visible;'>" +     "<p>" + "<span class='responsibleName' value=" + res[i].value + ">" + res[i].title + "</span>" +     "<a class='close_btn' οnclick='remove(this)'>" + 'X' + "</a>" + "</p>"    "</div>"    $("#responsibleName_id").append(html);        }    //最后關(guān)閉彈出層    layer.close(index);   }   });// 關(guān)鍵代碼var res = window["layui-layer-iframe" + index].callbackdata();這行代碼中‘callbackdata'是彈出層里面定義的函數(shù)。也許我們知道了什么！這個函數(shù)的作用就是返回值。彈出層定義callbackdata函數(shù)var callbackdata = function () {  var data = {  username: 'zhangfj',  age:12,  address:'廣州'  };  return data; }