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document.getElementById('css').setAttribute('href', 'style2.css');

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• # 1:   hide show   clone   input   112 days 11 hours ago    Runtime error

  result: Runtime error     time: 0.29s    memory: 213248 kB     signal: -1

  input: no
  output: no
  stderr:

  js: "prog.js", line 1: uncaught JavaScript runtime exception: ReferenceError: "document" is not defined.