Century-From-Year.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
Note: this kata uses strict construction as shown in the description and the examples, you can read more about it here

*/

// solution

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