Sort javascript array by difference beetwen elemtents

order by difference

function sortByDifference (value, arr) {
    return arr.sort(function (x, y) {
      let difx = Math.abs(parseFloat(x) - value);
      let dify = Math.abs(parseFloat(y) - value);
      if (difx < dify) return -1;
      if (difx == dify) return 0;
      return 1;
    });
  }

let array = [2,4,23,33];

sortByDifference(10, array); // [ 4, 2, 23, 33 ]
sortByDifference(90, array); // [ 33, 23, 4, 2 ]