filter-unique-array-members.js

// Let arr be an array.

// Create a function unique(arr) that should return an array with unique items of arr.

function unique(arr) {
  return [...new Set(arr)]
}

/*  another solution
function unique(arr) {
  let result = [];

  for (let str of arr) {
    if (!result.includes(str)) {
      result.push(str);
    }
  }
  return result;
}
*/


let strings = ["Hare", "Krishna", "Hare", "Krishna",
  "Krishna", "Krishna", "Hare", "Hare", ":-O"
];

console.log( unique(strings) ); // Hare, Krishna, :-O