Answers for "javascript for sub set"

javascript for sub set

const getAllSubsets = 
      theArray => theArray.reduce(
        (subsets, value) => subsets.concat(
         subsets.map(set => [value,...set])
        ),
        [[]]
      );

console.log(getAllSubsets([1,2,3]));

javascript for sub set

[], [1], [2], [1, 2], [2, 3], [1, 3], [1, 2, 3]

javascript for sub set

[1, 2, 3]