How to find the balance points of an array

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A balance point is where the left side of the index is equal to the right side of the index. This function returns an array of indices of balance points. function balancePoints(array) { if ( ! Array .isArray(array)) { return []; } var totalSum = array.reduce(sum, 0 ); var leftSum = 0 ; return array.reduce( function (points, current, i) { if (i > 0 ) { leftSum += array[i - 1 ]; } var rightSum =…

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