dodgy profiler

/**
 * A dodgy and simple profiler wrapping thingy
 *
 * It don't do much, but I whipped this up as a basic helper for a coworker so may as well store for later :)
 *
 */
 
/**
 * @param {Function} fn The function you wish to profile
 * @param {Object} scope The 'this' property to bind
 * @param {String=} message If specified, this will act as a prefix to a logged output
 */
function profile(fn, scope, message) {
  var start = new Date(), delta;
  fn.call(scope);
  delta = new Date() - start;
  if (message) {
    console.log(message, delta);
  }
  return delta;
}