Backbone1.0.0数据验证的变化

    (function(){
            var Model = Backbone.Model.extend({
                initialize : function(){
                    this.bind(‘error‘,function(model,error){
                        alert(error);
                    });
                },
                validate : function(attrs){
                    for (var key in attrs){
                        if (attrs[key] == ‘‘){
                            return key + ‘不能为空‘;
                        }
                    }
                }
            });
            var model = new Model;
            model.set({name:‘‘});
            model.set({age:‘‘});
        })();

    (function(){
            var Model = Backbone.Model.extend({
                initialize : function(){
                    this.bind(‘invalid‘,function(model,error){
                        alert(error);
                    });
                },
                validate : function(attrs){
                    for (var key in attrs){
                        if (attrs[key] == ‘‘){
                            return key + ‘不能为空‘;
                        }
                    }
                }
            });
            var model = new Model;
            model.set({name:‘‘},{validate:true});
            model.set({age:‘‘},{validate:true});
        })();