ruby-grape/grape-on-rack

$(document).ready(function() {

  var ring = function() {
    $.ajax({
      type: "POST",
      url: "/api/ring",
      success: function(data) {
        $('#ring_value').text("rang " + data.rang.toString() + " time(s)");
        $('#ring_action').text("click here to ring again");
      }
    });
  };

  ring();

  $('#ring_action').click(ring);
});