jQuery plugin for animating elements with floats

jquery.animate.floats.js

/*!
 * Animate Floats jQuery Plugin
 * http://darcyclarke.me/articles/development/animate-float-positions-in-jquery-1-5/
 *
 * Copyright 2016, Darcy Clarke
 * Do what you want license
 */
(function(window, $){
  var $plugin = $.sub();
  $plugin.fn.animate = function(props, speed, cb){
    if(typeof(speed) == 'function')
      cb = speed, speed = 500;
    if(typeof(cb) != 'function')
      cb = function(){};
    return $.each(this, function(i, el){
      el = $(el);
      if(props.float && props.float != el.css('float')){
        var elem = el.clone().css(props).insertBefore(el),
          temp = (props.float == el.css('float')) ? elem.position().left : el.position().left;
        props.marginLeft = elem.position().left;
        elem.remove();
        el.css({float:'left',marginLeft:temp});
      }
      $(this).animate(props, speed, function(){
        $(this).css(props);
        cb();
      });
    });
  };
  window.$ = $plugin;
})(window, jQuery);