ajax and response

function popup(idbrg){

$.ajax({ type : 'POST', url : '?plain=app/barang-harga.php&act=load', data : {id:idbrg, act:"load"}, success : function(response){ var json=JSON.parse(response); var fmtarget=document.forms['fmmodal']; for(key in json){ if(json.hasOwnProperty(key))fmtarget["a["+key+"]"].value=json[key] } $("#popup").modal(); } });

}

    if($_GET[act]=="load"){

        $o=mysqli_fetch_object($db->query("select * from ijp_barang where idx='$_POST[id]'"));

        echo ' {

            "nama_barang" : "'.$o->nama_barang.'",

            "hrg_beli": "'.$o->hrg_beli.'",

            "isi_kemasan": "'.$o->isi_kemasan.'",

            "satuan_kemasan": "'.$o->satuan_kemasan.'",

            "vendor" : "'.$o->vendor.'",

            "idx" : "'.$o->idx.'"

        }';

    }

$.post("test.php",{nama:"person"}).done(function(response){
            alert(response);
});

<button class="btn btn-primary" onclick="simpan(this.form,event)" value="datang-f138.php">Selesai</button>

function simpan(fm,e){ e.preventDefault();

    $.post(".?ajax=app/save3",$(fm).serialize()).done(function(response){

        var idxsrt="<? echo $_GET[srt]?>";

        document.getElementById("hrefclose").href="keterangan=domisili?srt="+response.split('|')[0];

        $('#printmodal').modal();

        fmcetak=document.forms['fmcetak'];

        fmcetak.action='.?ajax='+'../cetak/keterangan'+'&srt='+response.split('|')[0]+'&src=';

        fmcetak['nosur'].value=response.split('|')[1];

        fmcetak.submit();

    });

}