Mingle different events together.

gistfile1.js

var obj = {
  bindEvent: function() {
    // Dom event
    var dom = document.getElementById('dom');
    dom.addEventListener('change', this);
    
    // window event
    window.addEventListener('localized', this);
  },
  handleEvent: function(evt) {
    switch (evt.type) {
      case 'change':
        // do sth
        break;
      case 'localized':
        // do sth
        break;
    }
  }
};

obj.bindEvent();