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

bonfire-where-do-i-belong.js

// Bonfire: Where do I belong
// Author: @duggiemitchell
// 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) {

  arr.push(num);  
  arr.sort();
 
  var newArr = arr.sort(function(a,b) {
    return a - b;
    
  });
    return newArr.indexOf(num);
  
}

where([2, 20, 10], 19);