namespace.js

//namespace 方法 
var MYAPP = {}
MYAPP.namespcae = function (name) {
  var parts = name.split('.');
  var current = MYAPP;
  for(var i in parts) { 
    if(!current[parts[i]]) {
      current[parts[i]] = {}
    }
    current = current[parts[i]]
  }
}
//MYAPP.namespcae('event')
//MYAPP>namescpae('dom.style')