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Backbone.js UndelegateEvent()

The Backbone.JS View UndelegateEvent() method removes delegate events from the view.

Syntax:

UndelegateEvent()   

Example:

<!DOCTYPE html>  
<html>
<head>  
<title>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="A"></div>  
<script type="text/javascript">  
var X = Backbone.View.extend({  
events: {'click': 'undelegate'},  
undelegate: function () {  
document.write("Undelegated.");  
$(this.el).undelegate('button', 'click');  
},  
render: function () {  
this.$el.html('<button>Just a Click</button>');  
},  
initialize:function(){this.render();}  
});  
var Y = new X({el: '#A'});  
</script>  
</body>  
</html>

Output:


Example





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