Learning Node.js Development

Using _.uniq

Back inside the browser, we can use command + F again to search for a new utility, which is _.uniq:

This unique method, simply takes an array and it returns that array with all duplicates removed. That means if I have the same number a few times or the same string, it'll remove any duplicates. Let's run this.

Back inside Atom, we can add this utility into our project, we'll comment out our _.isString calls and we will make a variable called filteredArray. This will be the array without the duplicates, and what we'll do is call, after the equal sign, _.uniq.

Now, as we know, this takes an array. And since we're trying to use the ...