Simple model validation

backbone model validation

Simple model validation 

index.html

<script src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.5.2/underscore-min.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.0.0/backbone-min.js"></script>

script.js

var MyModel = Backbone.Model.extend({

  defaults: {

  },
  initialize: function(){
    this.on('invalid', function(model, error){
    
        console.log(error);
    });
  },
  validate: function(validationObject){
    
    if(validationObject.age < 1){
       return 'Invalid age'; 
    }
  }
  
});

var myModel = new MyModel({ 'name': 'Gabriel', 'age':30});

myModel.set('age', 0,{validate:true});