Backbone.js model.id()

The Backbone.js id model is used to uniquely identify the model identity that might be manually set when model is created or populated when model is saved on the server.

Syntax:

Let's take an example.

See this example:

 <!DOCTYPE html>
   <head>
      <title> Id Example</title>
         <script src="https://code.jquery.com/jquery-2.1.3.min.js" type="text/javascript"></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.2/underscore-min.js" type="text/javascript"></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js" type="text/javascript"></script>
         <script type="text/javascript">
            var  Car = Backbone.Model.extend({
               defaults: {
                  id: 7070
                }
             });
             var car = new Car();
             document.write("Id of the model: ", car.get('id'));
         </script>
   </head>
</html>

Test it Now

Output:

Save the above code in id.html file and open this file in a new browser.