BackboneJS - Model Clear

Quiz

Description

It removes all the attributes, including the id attribute from a backbone model.

Syntax

model.clear(options)

Parameters

options − It defines the parameters used like the id, name, etc., when they are removing from the model.

Example

<!DOCTYPE html>
<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 Model = Backbone.Model.extend();
         var model = new Model({name:"TutorialsPoint", id:1});
         document.write("<b>Before using clear, name: </b>", 
            model.get('name'));
         
         document.write("<b>Before using clear, id: </b>", model.get('id'));
         document.write("<br>");
         model.clear();
         document.write("<b>After using clear, name:</b> ", 
            model.get('name'));
         
         document.write("<b>After using clear, id: </b>", model.get('id'));
      </script>
      
   </head>
   <body></body>
</html>

Output

Let us carry out the following steps to see how the above code works −

Save the above code in the clear.htm file.
Open this HTML file in a browser.

backbonejs_model.htm

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