binder.BS(t, x=> x.value, x=> x.FirstName);

 binder.BC(t, t=> binder.Data.BirthDay,
                t=> dp.getDate(),
                e=> {
                    dp.setDate(binder.Data.BirthDay);
                });

binder.BS(t, x=> x.value, x=> x.FirstName);

var Timer = React.createClass({
  getInitialState: function() {
    return {secondsElapsed: 0};
  },
  tick: function() {
    this.setState({secondsElapsed: this.state.secondsElapsed + 1});
  },
  componentDidMount: function() {
    this.interval = setInterval(this.tick, 1000);
  },
  componentWillUnmount: function() {
    clearInterval(this.interval);
  },
  render: function() {
    return (
      <div>Seconds Elapsed: {this.state.secondsElapsed}</div>
    );
  }
});

ReactDOM.render(<Timer />, mountNode);

var SecondsElapsed = div(t=>
{
    var counter = 0;
    setInterval(() =>
    {
        t.innerText = 'Seconds Elapsed: ' + counter++;
    }, 1000);
});

<div>Seconds Elapsed: {this.state.secondsElapsed}</div>

 if ("development" !== 'production') {

var div = React.findDOMNode<HTMLDivElement>(this.refs["secondsElapsedContainer"]);

var val = $('div[id^=subparagraphs] textarea[id^=taWordingQuestion]', div).val();

 /**
      * Sets or retrieves reference information about the object.
      */
    cite: string;
    /**
      * Sets or retrieves the date and time of a modification to the object.
      */
    dateTime: string;

class Test1
{
    private label: HTMLLabelElement;
    public Element(): HTMLDivElement
    {
        return div(EmptyAction,
            () => label(t=> { this.label = t; }),
            () => button(t=>
            {
                t.textContent = 'Кнопка1';
                t.onclick = me=>
                {
                    this.label.textContent = 'Хвост';
                };
            }));
    }
}
window.onload = ev=> {
    var e = new Test1().Element();
    document.body.appendChild(e);
    (e.childNodes[1] as HTMLButtonElement).click();
    var text = (e.childNodes[0] as HTMLLabelElement).textContent;
    if (text == 'Хвост') {
        alert('Тест прошел');
    }
    else {
        alert('Тест не прошел');
    }
}

var Test = (function () {
    function Test() {
        var _this = this;
        this.test = div(function (t) {
            _this.prn = t;
        }, function () { return div(EmptyAction, function () { return div(EmptyAction, function () { return div(function (x) {
            _this.prn;
        }); }); }); });
    }
    return Test;
})();

function EmptyAction(el: HTMLElement): void
{ }

let inc = x => x+1;

let inc = function(x) { return x + 1; };

var div = React.findDOMNode<HTMLDivElement>(this.refs.secondsElapsedContainer);