// usage example: var myArray = ['a', 1, 'a', 2, '1']; var unique = myArray.filter((v, i, a) => a.indexOf(v) === i); // unique is ['a', 1, 2, '1']
arr = [2, 2, 2, 1, 3, 3, 3,3, 4, 5]; arr = arr.sort().filter((item,i)=>!(arr[i] == arr[i+1] || arr[i-1]==arr[i])); // this will remove all item which are repeating more then one console.log(arr); // [1, 4, 5]
const my_array = [1, 2, 2, 3, 3, 4, 5, 5] const unique_array = [...new Set(my_array)]; console.log(unique_array); // [1, 2, 3, 4, 5]