The Backbone.js clone is used to return the attributes of the given object in JSON format. We have to use JSON.stringify() to return the attributes.
Syntax:
Backbone.Model.toJSON(options)
Parameters:
- options: Used to take the attribute name.
If it is not specified, then it will return the whole model.
Example 1: In this example, we will display all the attributes in a book model.
HTML
<!DOCTYPE html> <html>   <head>           <script src=             type="text/javascript">     </script>     <script src=         type="text/javascript">     </script>     <script src=         type="text/javascript">     </script>       </head>   <body>     <script type="text/javascript">          var Books = Backbone.Model.extend();          var book = new Books(               {               book_name:"css",               price:900,               type:"web"             });          document.write("Values in book model: ",                        JSON.stringify(book));                          </script> </body> </html> |
Output:
Values in book model:
{
"book_name":"css",
"price":900,
"type":"web"
}
Example 2: The following code demonstrates the toJSON model with an empty object.
HTML
<!DOCTYPE html> <html>   <head>           <script src=             type="text/javascript">     </script>     <script src=         type="text/javascript">     </script>     <script src=         type="text/javascript">     </script>       </head>   <body>     <script type="text/javascript">          var Books = Backbone.Model.extend();          var book = new Books();          document.write("Values in book model: ",                        JSON.stringify(book));                        </script> </body> </html> |
Output:
Values in book model: {}
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