How many pages in a book?

[RazvanBugoi]

https://www.codewars.com/kata/622de76d28bf330057cd6af8/train/javascript

[RazvanBugoi]

function amountOfPages(summary){
  let output = ""
  let i = 1;

  while (output.length < summary) {
    output += i;
    i ++ 
  }

  return i - 1
}