cannot defer

<script>/*<![CDATA[*/jQuery(document).ready(function(){if(jQuery('#wp-admin-bar-revslider-default').length>0&&jQuery('.rev_slider_wrapper').length>0){var aliases=new Array();jQuery('.rev_slider_wrapper').each(function(){aliases.push(jQuery(this).data('alias'));});if(aliases.length>0)
jQuery('#wp-admin-bar-revslider-default li').each(function(){var li=jQuery(this),t=jQuery.trim(li.find('.ab-item .rs-label').data('alias'));if(jQuery.inArray(t,aliases)!=-1){}else{li.remove();}});}else{jQuery('#wp-admin-bar-revslider').remove();}});/*]]>*/</script>