Handsontable

var
  container = document.getElementById('example1'),
  addCar = document.getElementById('add_car'),
  eventHolder = document.getElementById('example1_events'),
  CarModel = Backbone.Model.extend({}),
  CarCollection,
  cars,
  hot;

CarCollection = Backbone.Collection.extend({
  model: CarModel,
  // Backbone.Collection doesn't support `splice`, yet! Easy to add.
  splice: hackedSplice
});

cars = new CarCollection();

// since we're not using a server... make up some data. This will make
// a couple CarModels from these plain old objects
cars.add([
  {make: 'Dodge', model: 'Ram', year: 2012, weight: 6811},
  {make: 'Toyota', model: 'Camry', year: 2012, weight: 3190},
  {make: 'Smart', model: 'Fortwo', year: 2012, weight: 1808}
]);

hot = new Handsontable(container, {
  data: cars,
  dataSchema: makeCar,
  contextMenu: true,
  columns: [
    attr('make'),
    attr('model'),
    attr('year')
  ],
  colHeaders: ['Make', 'Model', 'Year']
  // minSpareRows: 1 //see notes on the left for `minSpareRows`
});

// this will log all the Backbone events getting fired!
cars.on('all', logEvents)
  .on('add', function () {
    hot.render();
  })
  .on('remove', function () {
    hot.render();
  });

// you'll have to make something like these until there is a better
// way to use the string notation, i.e. "bb:make"!

// normally, you'd get these from the server with .fetch()
function attr(attr) {
  // this lets us remember `attr` for when when it is get/set
  return {data: function (car, value) {
    if (_.isUndefined(value)) {
      return car.get(attr);
    }
    car.set(attr, value);
  }};
}

// just setting `dataSchema: CarModel` would be great, but it is non-
// trivial to detect constructors...
function makeCar() {
  return new CarModel();
}

// use the "good" Collection methods to emulate Array.splice
function hackedSplice(index, howMany /* model1, ... modelN */) {
  var args = _.toArray(arguments).slice(2).concat({at: index}),
    removed = this.models.slice(index, index + howMany);

  this.remove(removed).add.apply(this, args);

  return removed;
}

// show a log of events getting fired
function logEvents(event, model) {
  var now = new Date(),
    option = document.createElement('OPTION');

  option.innerHTML = [':', now.getSeconds(), ':', now.getMilliseconds(), '[' + event + ']',
    JSON.stringify(model)].join(' ');
  eventHolder.insertBefore(option, eventHolder.firstChild);
}

Handsontable.Dom.addEvent(addCar, 'click', function () {
  cars.add({make: "Tesla", model: "S", year: 2012, weight: 4647.3});
});