Example closure

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Sat Aug 07 2021 11:22:12 GMT+0000 (Coordinated Universal Time)

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function validateCode(code) {
  function isValidLength (code) {
    return code.length > 5;
  }

  function containsHash () {
    return code.includes('#')
  }

  return isValidLength() && containsHash();
}

const isValidCode = validateCode('some#Code');
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