Slick Random Slides

slick-random.js

$.fn.randomize = function (selector) {
    var $elems = selector ? $(this).find(selector) : $(this).children(),
        $parents = $elems.parent();

    $parents.each(function () {
        $(this).children(selector).sort(function (childA, childB) {
            // * Prevent last slide from being reordered
            if($(childB).index() !== $(this).children(selector).length - 1) {
                return Math.round(Math.random()) - 0.5;
            }
        }.bind(this)).detach().appendTo(this);
    });

    return this;
};

$(".slider").randomize().slick();