jquery datatable synchronous

function initDataTables(id, ajax, columns){

$(id).DataTable( {

"ajax": {"url":ajax, "async":false},

"columns":columns,

"oLanguage": {

   "sSearch": "",

   "sLengthMenu": "<span>_MENU_</span>"

},

"sDom": "T<'row'<'col-md-6 col-xs-12 'l><'col-md-6 col-xs-12'f>r>t<'row'<'col-md-4 col-xs-12'i><'col-md-8 col-xs-12'p>>",

});

}