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<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>JS Bin</title>
</head>
<body>
  <h1>Turn on your JS console to see output.</h1>
  <script>
    
    function hello() {
       return 'foo'; 
    }
    
    function logFactory(func, message) {
        return function () {
            console.log(message);
            return func();
        }
    }
    hello = logFactory(hello, "Some log message");
    var result = hello();
    console.log("result is: ", result);
    
  </script>
  
</body>
</html>
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