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  1. var x = 1;
  2. var a;
  3. function A() {
  4.  var y = 0;
  5.  function B () {
  6.   y++;
  7.   console.log(y);
  8.  }
  9.  
  10.  return B;
  11. }
  12. var a = A();
  13. a(); //konsola: 1
  14. a(); //konsola: 2
  15. a(); //konsola: 3
Runtime error #stdin #stdout #stderr 0.41s 381952KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
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js: uncaught JavaScript runtime exception: ReferenceError: "console" is not defined.
https://ideone.com/zl76o9
language:
JavaScript (rhino 1.7.9)
created:
10 years ago
visibility:
secret

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