A jQuery plugin shuffle DOM elements

shuffle.js

(function($) {
  $.fn.shuffle = function() {
    var allElems = this.get(),
      getRandom = function(max) {
        return Math.floor(Math.random() * max);
      },
      shuffled = $.map(allElems, function() {
        var random = getRandom(allElems.length),
          randEl = $(allElems[random]).clone(true)[0];
        allElems.splice(random, 1);
        return randEl;
      });
    this.each(function(i) {
      $(this).replaceWith($(shuffled[i]));
    });
    return $(shuffled);
  };
})(jQuery);