Backbone.js view.setElement()

The Backbone.js setElement method is used to apply backbone view to a different DOM element. It also creates a cached $el reference and displaces the view's delegated events from the old element to the new one.

Syntax:

Parameter explanation:

element: It specifies an element that can be changed from existing element to different element.

Let's take an example.

See this example:

 <!DOCTYPE html>
   <head>
      <title>View setElement 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>
   </head>
   <body>
      <div id="myview">
         Enter any text: <input type="text"/>
      </div>
      <div id="myapp"></div>
      <script type="text/javascript">
         var ViewDemo = Backbone.View.extend({

            events: {
               'change input': 'sayHi'
            },

            initialize: function() {
                this.setElement($('#myview'));   
            },

            
            sayHi: function() {
               document.write('JavaTpoint: A solution of all technology...');
            }
         });

         var viewdemo = new ViewDemo;
         </script>
         </body>
      </html>

Test it Now

Output:

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