Backbone.js model.save()

The Backbone.js save model is used to save the data of the model by delegating the sync() method. It reads and saves the model every time when it is called.

Syntax:

Parameter explanation:

attributes: It is used to define the property of a model.

options: It accepts parameters like id, name etc. which are used for a model.

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">
         var details = new Backbone.Model({
            name: "Welcome to",
            site: "JavaTpoint- A solution of all technology."
         });

         Backbone.sync = function(method, model) {
            document.write(method + ": " + model.get('name')+ " " +model.get('site'));
            model.set('id', 1);
         };
         details.save();
         document.write("<br>");
         details.save({name : "I repeat"});
         </script>
   </head>
</html>

Test it now:

Output:

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