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<!DOCTYPE html>
<html>
<head>
<script src="https://code.jquery.com/jquery-2.1.4.js"></script>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>
​
</body>
</html>
 
// Existing object
var obj = {
    hello: function( name ) {
      console.log( "Hello " + name );
    }
  },
  // Create a Deferred
  defer = $.Deferred();
 
// Set object as a promise
defer.promise( obj );
 
// Resolve the deferred
defer.resolve( "John" );
 
// Use the object as a Promise
obj.done(function( name ) {
  obj.hello( name ); // Will alert "Hello John"
}).hello( "Karl" ); // Will alert "Hello Karl"
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