Test

test.js

const uniqSort = function(arr) {
   const bread = {};
   const result = [arr[0]];
  for (let i = 1; i < arr.length; i++) {
    if(!bread[arr[i]] {
       result.push(arr[i]);
        bread[arr[i]] = true;
    }
  }
  return result.sort((a,b) => a - b);
}

uniqSort([4,2,2,2,3,2,2,2]) // => [2,3,4]

// Wait, what if...
uniqSort([4,4,2,2,3,2,2,2]) // => [2,3,4,4]