JS 相关

  var _Person = {
    name :'',
    age:0
  };
  var Person = new Function();
  Person.prototype = _Person;
  //构造器

Object.clone = function(obj){
var _son = {};
for(var pro in obj){
_son[pro]=obj[pro];
}
return _son;
}
Object.extends = function(son,fat){
for(var pro in fat){
son[pro]=fat[pro];
}
return son;
}