CODE EXAMPLE FOR JAVASCRIPT

jquery form submit ajax

    $(document).on('click', '#save_province', function () {
        var a = $("#province").val(), b = $("#district").val(), c = getParameterByName('supplier_id');
        $.ajax({
            url: "postavshik_save.php",
            type: "POST",
            data: {
                province: a,
                district: b,
                supplier_id: c,
            },
            beforeSend: function () {
                $("#province").attr("disabled", !0), $("#district").attr("disabled", !0);
            },
            success: function (a) {
                alert("Post so`rov yuborildi javob olindi");
            }
        });
    });