datatable thêm thẻ vào bảng

demo : https://ideone.com/G9T6xH
trong đây mình thêm thẻ a là thẻ bán vào trong  bảng của mình

giải thích dữ liệu  "render": function (data, type, row, meta)

• data : ở đây chính là giá trị nhận từ  "data" : "id", mà , id đây là tên trường trong data của bạn
• type : ở đây giá trị của một hàng
• hai cái còn lại các bạn có thể xem mình đã log ra, mỗi một biến mình cho nó cách nhau bởi dấu ===== và đây là data của mình
• var data = [

  {

  "name": "Tiger Nixon",

  "position": "System Architect",

  "salary": "$3,120",

  "start_date": "2011/04/25",

  "office": "Edinburgh",

  "id": "1",

  },

  {

  "name": "Garrett Winters",

  "position": "Director",

  "salary": "$5,300",

  "start_date": "2011/07/25",

  "office": "Edinburgh",

  "id": "2",

  },

  {

  "name": "Tiger Nixon",

  "position": "System Architect",

  "salary": "$3,120",

  "start_date": "2011/04/25",

  "office": "Edinburgh",

  "id": "3",

  },

  {

  "name": "Garrett Winters",

  "position": "Director",

  "salary": "$5,300",

  "start_date": "2011/07/25",

  "office": "Edinburgh",

  "id": "4",

  }

  ];

* còn đây là dữ liệu log ra

"1" ===== "display" ====== {"name":"Tiger Nixon","position":"System Architect","salary":"$3,120","start_date":"2011/04/25","office":"Edinburgh","id":"1"} ====== {"settings":{"oFeatures":{"bAutoWidth":false,"bDeferRender":false,"bFilter":true,"bInfo":true,"bLengthChange":false,"bPaginate":true,"bProcessing":false,"bServerSide":false,"bSort":true,"bSortMulti":true,"bSortClasses":true,"bStateSave":null},"oScroll":{"bCollapse":false,"iBarWidth":17,"sX":"","sXInner":"","sY":""},"oLanguage":{"fnInfoCallback":null,"oAria":{"sSortAscending":": activate to sort column ascending","sSortDescending":": activate to sort column descending","_hungarianMap":{"sortAscending":"sSortAscending","sortDescending":"sSortDescending"}},"oPaginate":{"sFirst":"First","sLast":"Last","sNext":"Next","sPrevious":"Previous","_hungarianMap":{"first":"sFirst","last":"sLast","next":"sNext","previous":"sPrevious"}},"sEmptyTable":"No data available in table","sInfo":"","sInfoEmpty":"Showing 0 to 0 of 0 entries","sInfoFiltered":"(filtered from _MAX_ total entries)","sInfoPostFix":"","sDecimal":"","sThousands":",","sLengthMenu":"Hiển thị <select><option value=\"5\">5</option><option value=\"10\">10</option><option value=\"30\">30</option><option value=\"40\">40</option><option value=\"50\">50</option><option value=\"-1\">Tất cả</option></select> người","sLoadingRecords":"Loading...","sProcessing":"Processing...","sSearch":"<span>Tìm kiếm:</span> _INPUT_","sSearchPlaceholder":"","sUrl":"","sZeroRecords":"No matching records found","_hungarianMap":{"aria":"oAria","paginate":"oPaginate","emptyTable":"sEmptyTable","info":"sInfo","infoEmpty":"sInfoEmpty","infoFiltered":"sInfoFiltered","infoPostFix":"sInfoPostFix","decimal":"sDecimal","thousands":"sThousands","lengthMenu":"sLengthMenu","loadingRecords":"sLoadingRecords","processing":"sProcessing","search":"sSearch","searchPlaceholder":"sSearchPlaceholder","url":"sUrl","zeroRecords":"sZeroRecords"}},"oBrowser":{"bScrollOversize":false,"bScrollbarLeft":false,"bBounding":true,"barWidth":17},"ajax":null,"aanFeatures":[],"aoData":[{"nTr":{"_DT_RowIndex":0},"anCells":[{"_DT_CellIndex":{"row":0,"column":0}},{"_DT_CellIndex":{"row":0,"column":1}},{"_DT_CellIndex":{"row":0,"column":2}},{"_DT_CellIndex":{"row":0,"column":3}},{"_DT_CellIndex":{"row":0,"column":4}}],"_aData":{"name":"Tiger Nixon","position":"System Architect","salary":"$3,120","start_date":"2011/04/25","office":"Edinburgh","id":"1"},"_aSortData":null,"_aFilterData":null,"_sFilterRow":null,"_sRowStripe":"","src":"data","idx":0}],"aiDisplay":[],"aiDisplayMaster":[0],"aIds":{},"aoColumns":[{"idx":0,"aDataSort":[0],"asSorting":["asc","desc"],"bSearchable":true,"bSortable":true,"bVisible":true,"_sManualType":null,"_bAttrSrc":false,"fnCreatedCell":null,"mData":"name","mRender":null,"nTh":{"jQuery3310237295688345694262":{},"jQuery3310237295688345694261":{"hasDataAttrs":true}},"nTf":null,"sClass":"","sContentPadding":"","sDefaultContent":null,"sName":"","sSortDataType":"std","sSortingClass":"sorting","sSortingClassJUI":"","sTitle":"Tên mặt hàng","sType":null,"sWidth":null,"sWidthOrig":null,"iDataSort":-1,"sCellType":"td","_hungarianMap":{"dataSort":"iDataSort","sorting":"asSorting","searchable":"bSearchable","sortable":"bSortable","visible":"bVisible","createdCell":"fnCreatedCell","data":"mData","render":"mRender","cellType":"sCellType","class":"sClass","contentPadding":"sContentPadding","defaultContent":"sDefaultContent","name":"sName","sortDataType":"sSortDataType","title":"sTitle","type":"sType","width":"sWidth"},"_setter":null,"data":"name"},{"idx":1,"aDataSort":[1],"asSorting":["asc","desc"],"bSearchable":true,"bSortable":true,"bVisible":true,"_sManualType":null,"_bAttrSrc":false,"fnCreatedCell":null,"mData":"position","mRender":null,"nTh":{"jQuery3310237295688345694262":{},"jQuery3310237295688345694261":{"hasDataAttrs":true}},"nTf":null,"sClass":"","sContentPadding":"","sDefaultContent":null,"sName":"","sSortDataType":"std","sSortingClass":"sorting","sSortingClassJUI":"","sTitle":"số lượng","sType":null,"sWidth":null,"sWidthOrig":null,"iDataSort":-1,"sCellType":"td","_hungarianMap":{"dataSort":"iDataSort","sorting":"asSorting","searchable":"bSearchable","sortable":"bSortable","visible":"bVisible","createdCell":"fnCreatedCell","data":"mData","render":"mRender","cellType":"sCellType","class":"sClass","contentPadding":"sContentPadding","defaultContent":"sDefaultContent","name":"sName","sortDataType":"sSortDataType","title":"sTitle","type":"sType","width":"sWidth"},"_setter":null,"data":"position"},{"idx":2,"aDataSort":[2],"asSorting":["asc","desc"],"bSearchable":true,"bSortable":true,"bVisible":true,"_sManualType":null,"_bAttrSrc":false,"fnCreatedCell":null,"mData":"salary","mRender":null,"nTh":{"jQuery3310237295688345694262":{},"jQuery3310237295688345694261":{"hasDataAttrs":true}},"nTf":null,"sClass":"","sContentPadding":"","sDefaultContent":null,"sName":"","sSortDataType":"std","sSortingClass":"sorting","sSortingClassJUI":"","sTitle":"Giá mong muốn","sType":null,"sWidth":null,"sWidthOrig":null,"iDataSort":-1,"sCellType":"td","_hungarianMap":{"dataSort":"iDataSort","sorting":"asSorting","searchable":"bSearchable","sortable":"bSortable","visible":"bVisible","createdCell":"fnCreatedCell","data":"mData","render":"mRender","cellType":"sCellType","class":"sClass","contentPadding":"sContentPadding","defaultContent":"sDefaultContent","name":"sName","sortDataType":"sSortDataType","title":"sTitle","type":"sType","width":"sWidth"},"_setter":null,"data":"salary"},{"idx":3,"aDataSort":[3],"asSorting":["asc","desc"],"bSearchable":true,"bSortable":true,"bVisible":true,"_sManualType":null,"_bAttrSrc":false,"fnCreatedCell":null,"mData":"office","mRender":null,"nTh":{"jQuery3310237295688345694262":{},"jQuery3310237295688345694261":{"hasDataAttrs":true}},"nTf":null,"sClass":"","sContentPadding":"","sDefaultContent":null,"sName":"","sSortDataType":"std","sSortingClass":"sorting","sSortingClassJUI":"","sTitle":"Ngày đăng","sType":null,"sWidth":null,"sWidthOrig":null,"iDataSort":-1,"sCellType":"td","_hungarianMap":{"dataSort":"iDataSort","sorting":"asSorting","searchable":"bSearchable","sortable":"bSortable","visible":"bVisible","createdCell":"fnCreatedCell","data":"mData","render":"mRender","cellType":"sCellType","class":"sClass","contentPadding":"sContentPadding","defaultContent":"sDefaultContent","name":"sName","sortDataType":"sSortDataType","title":"sTitle","type":"sType","width":"sWidth"},"_setter":null,"data":"office"},{"idx":4,"aDataSort":[4],"asSorting":["asc","desc"],"bSearchable":false,"bSortable":false,"bVisible":true,"_sManualType":null,"_bAttrSrc":false,"fnCreatedCell":null,"mData":"id","nTh":{"jQuery3310237295688345694262":{},"jQuery3310237295688345694261":{"hasDataAttrs":true}},"nTf":null,"sClass":"","sContentPadding":"","sDefaultContent":null,"sName":"","sSortDataType":"std","sSortingClass":"sorting_disabled","sSortingClassJUI":"","sTitle":"","sType":null,"sWidth":null,"sWidthOrig":null,"iDataSort":-1,"sCellType":"td","_hungarianMap":{"dataSort":"iDataSort","sorting":"asSorting","searchable":"bSearchable","sortable":"bSortable","visible":"bVisible","createdCell":"fnCreatedCell","data":"mData","render":"mRender","cellType":"sCellType","class":"sClass","contentPadding":"sContentPadding","defaultContent":"sDefaultContent","name":"sName","sortDataType":"sSortDataType","title":"sTitle","type":"sType","width":"sWidth"},"_setter":null,"data":"id","orderable":false,"searchable":false}],"aoHeader":[[{"cell":{"jQuery3310237295688345694262":{},"jQuery3310237295688345694261":{"hasDataAttrs":true}},"unique":true},{"cell":{"jQuery3310237295688345694262":{},"jQuery3310237295688345694261":{"hasDataAttrs":true}},"unique":true},{"cell":{"jQuery3310237295688345694262":{},"jQuery3310237295688345694261":{"hasDataAttrs":true}},"unique":true},{"cell":{"jQuery3310237295688345694262":{},"jQuery3310237295688345694261":{"hasDataAttrs":true}},"unique":true},{"cell":{"jQuery3310237295688345694262":{},"jQuery3310237295688345694261":{"hasDataAttrs":true}},"unique":true}]],"aoFooter":[],"oPreviousSearch":{"bCaseInsensitive":true,"sSearch":"","bRegex":false,"bSmart":true,"_hungarianMap":{"caseInsensitive":"bCaseInsensitive","search":"sSearch","regex":"bRegex","smart":"bSmart"}},"aoPreSearchCols":[{"bCaseInsensitive":true,"sSearch":"","bRegex":false,"bSmart":true},{"bCaseInsensitive":true,"sSearch":"","bRegex":false,"bSmart":true},{"bCaseInsensitive":true,"sSearch":"","bRegex":false,"bSmart":true},{"bCaseInsensitive":true,"sSearch":"","bRegex":false,"bSmart":true},{"bCaseInsensitive":true,"sSearch":"","bRegex":false,"bSmart":true}],"aaSorting":[[0,"asc"]],"aaSortingFixed":[],"asStripeClasses":["odd","even"],"asDestroyStripes":[],"sDestroyWidth":"","aoRowCallback":[],"aoHeaderCallback":[],"aoFooterCallback":[],"aoDrawCallback":[{},{"sName":"sc"}],"aoRowCreatedCallback":[],"aoPreDrawCallback":[],"aoInitComplete":[],"aoStateSaveParams":[],"aoStateLoadParams":[],"aoStateLoaded":[],"sTableId":"product-buy","nTable":{"jQuery3310237295688345694262":{},"jQuery3310237295688345694261":{"hasDataAttrs":true}},"nTHead":{},"nTFoot":null,"nTBody":{},"nTableWrapper":null,"bDeferLoading":false,"bInitialised":false,"aoOpenRows":[],"sDom":"lfrtip","searchDelay":null,"sPaginationType":"simple_numbers","iStateDuration":7200,"aoStateSave":[],"aoStateLoad":[],"oSavedState":null,"oLoadedState":null,"sAjaxSource":null,"sAjaxDataProp":"data","bAjaxDataGet":true,"jqXHR":null,"fnServerData":null,"aoServerParams":[],"sServerMethod":"GET","aLengthMenu":[10,25,50,100],"iDraw":0,"bDrawing":false,"iDrawError":-1,"_iDisplayLength":10,"_iDisplayStart":0,"_iRecordsTotal":0,"_iRecordsDisplay":0,"oClasses":{"sTable":"dataTable","sNoFooter":"no-footer","sPageButton":"paginate_button","sPageButtonActive":"current","sPageButtonDisabled":"disabled","sStripeOdd":"odd","sStripeEven":"even","sRowEmpty":"dataTables_empty","sWrapper":"dataTables_wrapper","sFilter":"dataTables_filter","sInfo":"dataTables_info","sPaging":"dataTables_paginate paging_","sLength":"dataTables_length","sProcessing":"dataTables_processing","sSortAsc":"sorting_asc","sSortDesc":"sorting_desc","sSortable":"sorting","sSortableAsc":"sorting_asc_disabled","sSortableDesc":"sorting_desc_disabled","sSortableNone":"sorting_disabled","sSortColumn":"sorting_","sFilterInput":"","sLengthSelect":"","sScrollWrapper":"dataTables_scroll","sScrollHead":"dataTables_scrollHead","sScrollHeadInner":"dataTables_scrollHeadInner","sScrollBody":"dataTables_scrollBody","sScrollFoot":"dataTables_scrollFoot","sScrollFootInner":"dataTables_scrollFootInner","sHeaderTH":"","sFooterTH":"","sSortJUIAsc":"","sSortJUIDesc":"","sSortJUI":"","sSortJUIAscAllowed":"","sSortJUIDescAllowed":"","sSortJUIWrapper":"","sSortIcon":"","sJUIHeader":"","sJUIFooter":"","_hungarianMap":{}},"bFiltered":false,"bSorted":false,"bSortCellsTop":false,"oInit":{"data":[{"name":"Tiger Nixon","position":"System Architect","salary":"$3,120","start_date":"2011/04/25","office":"Edinburgh","id":"1"},{"name":"Garrett Winters","position":"Director","salary":"$5,300","start_date":"2011/07/25","office":"Edinburgh","id":"2"},{"name":"Tiger Nixon","position":"System Architect","salary":"$3,120","start_date":"2011/04/25","office":"Edinburgh","id":"3"},{"name":"Garrett Winters","position":"Director","salary":"$5,300","start_date":"2011/07/25","office":"Edinburgh","id":"4"}],"columns":[{"data":"name","mData":"name"},{"data":"position","mData":"position"},{"data":"salary","mData":"salary"},{"data":"office","mData":"office"},{"data":"id","orderable":false,"searchable":false,"bSortable":false,"mData":"id","bSearchable":false}],"paging":true,"searching":true,"info":true,"bLengthChange":false,"autoWidth":false,"oLanguage":{"sLengthMenu":"Hiển thị <select><option value=\"5\">5</option><option value=\"10\">10</option><option value=\"30\">30</option><option value=\"40\">40</option><option value=\"50\">50</option><option value=\"-1\">Tất cả</option></select> người","sInfo":"","sSearch":"<span>Tìm kiếm:</span> _INPUT_"},"aaData":[{"name":"Tiger Nixon","position":"System Architect","salary":"$3,120","start_date":"2011/04/25","office":"Edinburgh","id":"1"},{"name":"Garrett Winters","position":"Director","salary":"$5,300","start_date":"2011/07/25","office":"Edinburgh","id":"2"},{"name":"Tiger Nixon","position":"System Architect","salary":"$3,120","start_date":"2011/04/25","office":"Edinburgh","id":"3"},{"name":"Garrett Winters","position":"Director","salary":"$5,300","start_date":"2011/07/25","office":"Edinburgh","id":"4"}],"aoColumns":[{"data":"name","mData":"name"},{"data":"position","mData":"position"},{"data":"salary","mData":"salary"},{"data":"office","mData":"office"},{"data":"id","orderable":false,"searchable":false,"bSortable":false,"mData":"id","bSearchable":false}],"bInfo":true,"bAutoWidth":false,"bPaginate":true,"bFilter":true},"aoDestroyCallback":[],"oInstance":{"0":{"jQuery3310237295688345694262":{},"jQuery3310237295688345694261":{"hasDataAttrs":true}},"length":1,"internal":{},"oApi":{}},"sInstance":"product-buy","iTabIndex":0,"nScrollHead":null,"nScrollFoot":null,"aLastSort":[{"src":0,"col":0,"dir":"asc","index":0,"type":"string"}],"oPlugins":{},"rowId":"DT_RowId","oApi":{},"renderer":null,"iInitDisplayStart":0,"_rowReadObject":true},"row":0,"col":4}