var app = {};

var controller;

​

app.controller = function() {

  var level = m.prop(0);

  return {

    level: level,

    changeLevel: function(newLevel) {

      level(newLevel);

      m.redraw();

    }

  };

};

​

app.view = function(ctrl, opts) {

  //console.log('view');

  return m('div', {

    config: function(el, inited) {

      if (inited) return;

      //console.log('config');

      controller = ctrl;

    }

  }, 'Level: ' + ctrl.level());

};

​

window.setInterval(function() {  

 if (controller) {   controller.changeLevel(Math.floor(Math.random() * 100));

}

}, 1000);

​

m.mount(document.body, m.component(app));