Backbone.js Model.extend()

The Backbone.js Extend model is used to extend the backbone.Model class when you create your own backbone Model.

Syntax:

Parameter explanation:

properties: It provides instance properties for the Model class .

classProperties: Class properties are attached to the constructor function.

Let's take an example.

See this example:

<!DOCTYPE html>
   <head>
      <title> Model 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">
            MyModel = Backbone.Model.extend({
               initialize: function(){
                  document.write("Welcome to JavaTpoint");
               }
            });
            var mymodel = new MyModel;
         </script>
   </head>
</html>

Test it Now

Output:

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

Next TopicBackbone.js Initialize Model

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