http://www.freecodecamp.com/robertsheacole 's solution for Bonfire: Seek and Destroy

bonfire-seek-and-destroy#.js

// Bonfire: Seek and Destroy
// Author: @robertsheacole
// Challenge: http://www.freecodecamp.com/challenges/bonfire-seek-and-destroy#
// Learn to Code at Free Code Camp (www.freecodecamp.com)

function destroyer(arr) {
  var args = arr.slice.call(arguments);
  args.splice(0, 1);
  var newArray = [];
  for(var i = 0; i < arr.length; i++){
    for(var j = 0; j < arr.length; j++){
      if (args[j] === arr[i]){
        delete arr[i];
      }
    }
  }
  newArray = arr.filter(function(arr){
    return Boolean(arr);
  });
return newArray;
}

destroyer([1, 2, 3, 1, 2, 3], 2, 3);