//Object.create() 方法
if (typeof Object.create !== "function")
Object.create = function(o) {
function F() {}
F.prototype = o;
return new F();
};
var Model = {
inherited: function(){},
created: function(){},
prototype: {
init: function(){}
},
create: function(){
var object = Object.create(this);
object.parent = this;
object.prototype = object.fn = Object.create(this.prototype);
object.created();
this.inherited(object);
return object;
},
init: function(){
var instance = Object.create(this.prototype);
instance.parent = this;
instance.init.apply(instance, arguments);
return instance;
}
};
var Asset = Model.create();
var User = Model.create();
var user = User.init();
注意：javascript中执行typeof Object=="funcion"