mvc, controller, ajax

The codes below is extracted from mvc razor view page / c#.
My question is how to pass pair name/value back  to mvc controller.

Thanks,

<script>
        function Validator() {
            return true;
        }
        function UpdateEventCost() {
            if (Validator() == true) {
                var totalCount = document.getElementById("totalcount").value;
                alert("Success");
                var inputs = document.getElementsByTagName("input");
                for(x=0; x<=inputs.length;x++)
                {
                    var id_name = inputs[x].getAttribute("id");
                    var id_value = document.getElementById(id_name).value;
                }
                //window.location.href = "/Home/MotorhomeEdit/15";
            }
            else {
                alert("Error");
            }
        }
</script>

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