Recursive method

function steamrollArray(arr) {
  let flat = [];
          flat = [...flat,...item]
    return arr;
  return steamrollArray(flat);

console.log(steamrollArray([1, [2], [3, [[4]]]]));

Do you have a question? If you need help, then a link to the challenge would be helpful.

I’ve edited your post for readability. When you enter a code block into a forum post, please precede it with a separate line of three backticks and follow it with a separate line of three backticks to make it easier to read.

You can also use the “preformatted text” tool in the editor (</>) to add backticks around text.

See this post to find the backtick on your keyboard.
Note: Backticks (`) are not single quotes (’).

This topic was automatically closed 182 days after the last reply. New replies are no longer allowed.