Discussion on: Daily Challenge #263 - Reverse Words

function reverseWords(str) {
  let wordbuf = "";
  let outbuf = "";

  for (let char of str) {
    // NOTE replace with `if (/\s/.test(char))`
    // if anything other than ASCII whitespace
    // char expected
    if (char === " ") {
      outbuf += (wordbuf + char);
      wordbuf = "";
    } else {
      wordbuf = char + wordbuf;
    }
  }
  outbuf += wordbuf;

  return outbuf;
}