Switcheroo

[RazvanBugoi]

https://www.codewars.com/kata/57f759bb664021a30300007d/train/javascript

[RazvanBugoi]

  const arr = x.split("")
  const output = []

  arr.forEach( (letter) => {
    if (letter == "a") {
      letter = "b"
      output.push(letter)
    } else if (letter == "b") {
      letter = "a"
      output.push(letter)
    } else {
      output.push(letter)
    }
  })

  return output.join("")
}