Resize iframe

gistfile1.js

define(['jquery', 'utils'], function($, utils) {

    $.widget( 'cbsi.videoResize', {
        options: {
            maxwidth: 480
        },
        
        _create: function() {                    
            
            this.selectors = [
                "iframe[src^='http://player.vimeo.com']", 
                "iframe[src^='http://www.youtube.com']", 
                "iframe[src^='https://www.youtube.com']", 
                "iframe[src^='http://www.kickstarter.com']", 
                "iframe[class='video-player-frame']",  
                "iframe[src^='http://altfarm.mediaplex.com']", 
                "object", 
                "embed"
            ];
            
            this.$container = $('<div/>').css({
                padding: 0,
                position: 'relative',
                width: '100%'
            });
            
            this._resizeVideo();
      
        },        
        
        _resizeVideo: function() {
            var videoObjects = this.element.find(this.selectors.join(',')),
                numVideos = videoObjects.length,
                aspectRatio,
                $video,
                bodyPos,
                newEl;

            for(;numVideos -- > 0;) {
                aspectRatio = videoObjects[numVideos].getAttribute('height') / videoObjects[numVideos].getAttribute('width');
                bodyPos = videoObjects[numVideos].parentNode;
                newEl = $(videoObjects[numVideos].cloneNode(false));
                newEl = $(newEl);
                
                this.$container.css({ paddingTop: (aspectRatio * 100)+"%" });
                newEl.css({
                    height: '100%',
                    left: 0,
                    position: 'absolute',
                    top: 0,
                    width: '100%'
                }).removeAttr('height').removeAttr('width');
                this.$container.html(newEl);
                
                $(bodyPos).html(this.$container);
            }
        },

        destroy: function() {     
            $.Widget.prototype.destroy.call(this);
        }
    });
 
});