Plugin to centralize the element according to the window

jquery-centralize.js

//  jQuery Plugin - Centralize
//
//  Needs:
//   - jQuery(2.1.1)      >> http://code.jquery.com/jquery-2.1.1.js
(function($) {
  /**
   * Plugin to centralize the element according to the window
   * @param {boolean} resize If true, it will resize everytime the window
   * resizes
   * @returns {jQuery.this}
   */
  $.fn.centralize = function(resize) {
    this.css({
      top: ((window.innerHeight - this.outerHeight()) / 2) + 'px',
      left: ((window.innerWidth - this.outerWidth()) / 2) + 'px'
    });
    
    if(resize) {
      var element = this;
      $(window).resize(function() {
        element.centralize();
      });
    }
    
    return this;
  };
})(jQuery);