var records = [
      {min: 0, max: 20, value: 19, id: "set", type: "number"},
      {min: 0, max: 20, value: 19, id: "set", type: "number"},
      {min: 0, max: 20, value: 19, id: "set", type: "number"},
      {min: 0, max: 20, value: 19, id: slider, type: "range"},
 
    ];

    d3.nest()
            .key(function(d){return d.type;})
            .key(function(d){return d.tip;})
            .entries(records) =>