Sort an Array Alphabetically using the sort Method not working

JavaScript
1

Tell us what’s happening:
I do not understand why is this not sorting my array. My logic was to reverse the given algorithm. I even checked the hints and the code was identical. I even tries copy the solution code from hints but nothing works.

Your code so far


function alphabeticalOrder(arr) {
  // Add your code below this line
  return arr.sort(function(a,b) {
    return a > b;
  });
  // Add your code above this line
}
alphabeticalOrder(["a", "d", "c", "a", "z", "g"]);

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36.

Link to the challenge:
https://learn.freecodecamp.org/javascript-algorithms-and-data-structures/functional-programming/sort-an-array-alphabetically-using-the-sort-method

2

I recommend reading about how sort() works.


But try this.

  // Add your code below this line
  return arr.sort(function(a,b) {
   if(a< b) { return -1; }
    if(a > b) { return 1; }
    return 0;
  });
  // Add your code above this line
}

Another solution would be to just use arr.sort(), since it’s sorting it alphabetically too. However, the first solution can be also used for array of objects.

3

Thanks. I think I understand now. But it seems that the original task and solution has mistakes. Very confusing.

4

It’s working for me. Are you getting any errors? If not you how do you know it’s not working? Try adding a console.log to the function call so you can see the result.

function alphabeticalOrder(arr) {
  // Add your code below this line
  return arr.sort(function(a, b) {
    return a > b;
  });
  // Add your code above this line
}
console.log(alphabeticalOrder(["a", "d", "c", "a", "z", "g"]));
5

His code doesn’t work for me, but the one I posted does.

6

Yes, I tried logging the result but every time I just got the same array as input.

7

It depends on browser, the challenge description should be changed

1 Like