Count Good Triplets LeetCode solution in JavaScript

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var countGoodTriplets = function (arr, a, b, c) {
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  let triplets = 0;
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  for (let i = 0; i < arr.length - 2; i++) {
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    for (let j = i + 1; j < arr.length - 1; j++) {
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      if (Math.abs(arr[i] - arr[j]) > a) continue;
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      for (let k = j + 1; k < arr.length; k++) {
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        if (Math.abs(arr[j] - arr[k]) > b || Math.abs(arr[i] - arr[k]) > c) {
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          continue;
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        }
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        triplets++;
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      }
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    }
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  }
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  return triplets;
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};