How to insert multiple variables with one insert into sqlite

So i'm trying to insert data into a sqlite database from the constructor:

var EventData = function(ID, Name, StartDate, StartTime, EndDate, EndTime, Location, Notes){
  this.type = "event";
  this.id = ID;
  this.name = Name;
  this.startDate = StartDate;
  this.startTime = StartTime;
  this.endDate = EndDate;
  this.endTime = EndTime;
  this.location = Location;
  this.notes = Notes;
};
EventData.prototype.count = function(){
  return Object.keys(this).length;
};

And I want to call this function that will put this "Data" into this "database":

var InsertData = function(database, data){
  var dataArray = Object.keys(data);
  var ins = database.prepare("INSERT into "+data.type+" values(?)");
  for(var i = 0; i < dataArray.length; i++){
    ins.run(data[dataArray[i]]);
  }
  ins.finalize();
};

when I run this code It stops at:

ins.run(data[dataArray[i]]);

expecting 8 values but getting 1.

So how would I (if possible) INSERT with an unknown number of values?