Iterates over an array of objects passing each one to callback after interval.

jquery.sloweach-1.1.js

(function($){

    /**
     * Iterates over an array of objects passing each one to callback after interval.
     * Calls doneCallback when complete.
     */

    var version = '1.1';

    var timeout = null;

    $.slowEach = function(objs, interval, callback, doneCallback) {
        if(objs.length>0) {
            var x = 0;
            iterate();
        }

        function iterate() {
            if( callback.call(objs[x], x) != false ) {
                x++;
                if( objs.length > x ) {
                    timeout = setTimeout( iterate, interval );
                }
                else if($.isFunction(doneCallback)) {
                    doneCallback.call(objs);
                }
            }
        }
    }

    $.fn.slowEach = function(interval, callback, doneCallback) {
        $.slowEach(this, interval, callback, doneCallback);
    }

    /**
     * Clear all events
     */
    $.slowEach.clearTimeout = function()
    {
        clearTimeout(timeout);
    }

    /**
     * Returns the plug-in's version
     */
    $.slowEach.version = function()
    {
        return version;
    }

    /**Change log**
     * 1.0: First Version
     * 1.1: Added clearTimeout function - allows the plugin to be interrupted (thanks @jamesahallam)
     */
})(jQuery);