let hasName=false;let hasTitle=false;table.tableRows=stackFrame.stackTrace;table.tableRows.forEach(function(row){hasName|=row.name!==undefined;hasTitle|=row.title!==undefined;});const cols=[];if(hasName){cols.push({title:'Name',value(row){return row.name;}});}
if(hasTitle){cols.push({title:'Title',value(row){return row.title;}});}