find uniq

by Vladymyr Shevchuk

JavaScript

var arr = [1, 1, 1, 2, 2, 19, 6, 3, 4, 5, 8, 8];

var newArr = arr.reduce(function(accum, i) {
  accum[i] = null;
  return accum;
}, {});

console.log('newArr', Object.keys(newArr));