http://www.freecodecamp.com/fcc0208647c 's solution for Bonfire: Where do I belong

bonfire-where-do-i-belong#.js

// Bonfire: Where do I belong
// Author: @fcc0208647c
// Challenge: http://www.freecodecamp.com/challenges/bonfire-where-do-i-belong#
// Learn to Code at Free Code Camp (www.freecodecamp.com)

function where(arr, num) {
    myarr = arr.sort(function(a,b) {return a - b;});
    console.log(myarr);
    minval = Math.min.apply(Math, myarr);
    maxval = Math.max.apply(Math, myarr);

    if (num <= minval){return 0;}
    if (num >= maxval){return arr.length;}

    for (i=0; i < arr.length; i++) {
        if (num > arr[i] && num <= arr[i+1]) {
            return i+1;
        }
     }
}
where([40, 60], 50);