jqGrid reads a certain attribute code of selected multiple rows_javascript skills

Copy code The code is as follows:

var selrow =articleTable.getGridParam('selarrrow');//Get Multi-row id
var columnCodes=[];//Initialize an array
$(selrow).each(function (index, yu) {//Traverse each id to find each data and add attributes to In the initialization array
var rowData = articleTable.jqGrid("getRowData", yu);
columnCodes.push(rowData.columnCode);
});