Largest Triangle Area LeetCode solution in JavaScript

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var largestTriangleArea = function (points) {
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  const n = points.length;
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  let maxArea = 0;
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  for (let i = 0; i < n; i++) {
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    for (let j = i + 1; j < n; j++) {
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      for (k = j + 1; k < n; k++) {
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        const area = calcArea(points[i], points[j], points[k]);
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        maxArea = Math.max(maxArea, area);
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      }
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    }
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  }
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  return maxArea;
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};
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function calcArea(coordA, coordB, coordC) {
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  const [xCoordA, yCoordA] = coordA;
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  const [xCoordB, yCoordB] = coordB;
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  const [xCoordC, yCoordC] = coordC;
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  const sideA = xCoordA * (yCoordB - yCoordC);
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  const sideB = xCoordB * (yCoordC - yCoordA);
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  const sideC = xCoordC * (yCoordA - yCoordB);
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  return Math.abs((sideA + sideB + sideC) / 2);
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}