<ul><li>This challenge requires counting the number of elements in an array that occur more than once.</li><li>Developers are encouraged to fork the challenge, write their solution, and test it against the provided test cases.</li><li>The challenge difficulty level is medium and the topic is arrays.</li><li>The provided resources include documentation on the topic and an invitation to join the discussion.</li></ul>

Daily JavaScript Challenge #JS-161: Count the Number of Duplicate Elements in an Array

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