Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

JavaScript JavaScript Foundations Arrays Methods: Part 2

So lost on the 2nd part of this question...

"Sort the 'saying2' array, on about line 19, so that the words are listed in length order. The shortest first. Use the 'length' property on the strings in the sort function." It is returning my first code input (the reversal) as invalid and, of course, this is not correct. Can anyone help? I have been going through every possible variation of what I think could be the right answer, but I just can't get it!

index.html
<!DOCTYPE html>
<html lang="en">
  <head>
    <title> JavaScript Foundations: Arrays</title>
    <style>
      html {
        background: #FAFAFA;
        font-family: sans-serif;
      }
    </style>
  </head>
  <body>
    <h1>JavaScript Foundations</h1>
    <h2>Arrays: Methods Part 1</h2>
    <script>
      var saying1 = ["The", "quick", "brown", "fox", "jumps", "over", "the", "lazy", "dog"];
      var saying2 = ["The", "quick", "brown", "fox", "jumped", "over", "the", "lazy", "dog's", "back"];
      saying1.reverse();
      saying2.sort(.length);
    </script>
  </body>
</html>

1 Answer

Hi Tyler!

Double check how the sort() method is used - You can't just give it a property, you need to build a function which returns a value.

Take another look at the video, from about 2 minutes 15 seconds in.

Because you are inputting code which is invalid (it throws an error at runtime due to not seeing what it expects in the sort()'s comparator function) for the second part of the quiz, everything is becoming jumbled, so the first question appears to be broken.