jquery.recurse.js

(function($) {
    $.fn.recurse = function(closure, options) {
        var self = this, settings = $.extend({}, $.fn.recurse.defaults, options);
        self.queue(settings.queue, function(next){
            if (!closure.apply(self, [self])) {
                self.delay(settings.delay, settings.queue).queue(settings.queue, arguments.callee).trigger('queue').dequeue(settings.queue);
            } else {
                self.trigger('complete');
            }
        });
        self.dequeue(settings.queue);
        return this;
    }
    $.fn.recurse.defaults = {
        delay: 100,
        queue: (+new Date).toString(36)
    };
})(jQuery);

loop.js

// Forked from https://github.com/dsimard/jskata/blob/master/src/jskata.nofreeze.js
function loop(condition, increment, func, options, callback) {
    var timer, sleep = options && options.sleep || 1, chunk = options && options.chunk || 10;
    function stop() {
        clearTimeout(timer);
        if (callback) { 
            callback(condition());
        }
    }
    (function(){
        var c = 0;
        while (condition() && (c++ < chunk)) {
            func();
            if (increment) {
                increment();
            }
        }
        if (condition()) {
            timer = setTimeout(arguments.callee, sleep);
        } else {
            stop();
        }
    })();
    return {stop:stop};
}