Maximum Number of Coins You Can Get LeetCode solution in JavaScript

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var maxCoins = function (piles) {
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  let count = 0,
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    i = 0,
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    j = piles.length - 1;
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  piles.sort((a, b) => b - a);
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  while (i < j) {
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    count += piles[i + 1];
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    i += 2;
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    j--;
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  }
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  return count;
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};