Truth table (JavaScript)

truth_table.js

/* js-truth_table
 *
 * file: truth_table.js
 *
 * Copyright (c) 2011, Erik Nordstroem <[email protected]>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */

var row = [], values = ["a", "b", "c"]

for (var i = (Math.pow(2, values.length) - 1) ; i >= 0 ; i--) {
  for (var j = (values.length - 1) ; j >= 0 ; j--) {
    row[j] = (i & Math.pow(2,j)) ? true : false
  }
  print(row)
}