jQuery:Shuffle

gistfile1.js

var 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);
}