namespace pattern (命名空間模式)

NamespacePattern.js

//namespace pattern
var MYAPP = MYAPP || {};
MYAPP.namespace = function(ns_string){
  var parts = ns_string.split('.'),
      parent = MYAPP,
      i;
  if(parts[0]==="MYAPP"){
    parts = parts.slice(1);
  }
  
  for(i=0;i<parts.length;i+=1){
   if(typeof parent[parts[i]] === "undefined") {
     parent[parts[i]] = {};
   }
    parent = parent[parts[i]] ;
  }
  return parent;
};
//namespace pattern demo
MYAPP.namespace("MYAPP.Tools.ZipComponent");
console.log(MYAPP);