- Use Array.prototype.sort() combined with the spread operator (...) to create a shallow clone of the array and sort it in descending order.
- Use Array.prototype.slice() to get the specified number of elements.
- Omit the second argument, n, to get a one-element array.
- If n is greater than or equal to the provided array's length, then return the original array (sorted in descending order).
//#Source https://bit.ly/2neWfJ2 const maxN = (arr, n = 1) => [...arr].sort((a, b) => b - a).slice(0, n); console.log(maxN([1, 2, 3])); console.log(maxN([1, 2, 3], 2));
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