CenturyFromYear.js

/*Introduction
The first century spans from the year 1 up to and including the year 100, the second century - from the year 101 up to and including the year 200, etc.

Task
Given a year, return the century it is in.

Examples
1705 --> 18
1900 --> 19
1601 --> 17
2000 --> 20*/

function century(year) {
  // Finish this :)
  return Math.floor(year % 100 === 0 ? year/100 : (year/100 + 1)  )
}

//Best available solution

const century = year => Math.ceil(year/100)

function century(year) {
  return (year + 99) / 100 | 0;
}