complexity: 6 ; importance: 2; author: docentmail

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Problem 2016-02-11-23-48

complexity: 6 ; importance: 2; author: docentmail

Question: Why do you get the error Fix errors in you script: TypeError: a is not a function for the snippet?

                
var a=1
var b=a
(function() {
  alert('hello');
})();