Remove duplicate characters from string

Question

I have to make a function in JavaScript that removes all duplicated letters in a string. So far I\'ve been able to do this: If I have the word \"anaconda\" it shows me as a

Answer 1

Using Set() and destructuring twice is shorter:

const str = 'aaaaaaaabbbbbbbbbbbbbcdeeeeefggggg';

const unique = [...new Set([...str])].join('');

console.log(unique);