问内联jQuery/AJAX在表达式引擎中不起作用

EN

    jQuery(document).ready(function() {
                jQuery('.show-comments').on('click', function(){
                var disqus_shortname = 'xxxxxxx'; // Replace this value with *your* username.
                var disqus_identifier = 'xxxxxxxxxxx_{exp:channel:entries disable='categories|custom_fields|member_data|pagination' channel='channel'}{entry_id}{/exp:channel:entries}';
                var disqus_url = '{site_url}xxxxxx/xxxxx/{exp:channel:entries disable='categories|custom_fields|member_data|pagination' channel='channel'}{url_title}{/exp:channel:entries}';

                // ajax request to load the disqus javascript
                jQuery.ajax({
                type: "GET",
                url: "http://" + disqus_shortname + ".disqus.com/embed.js",
                dataType: "script",
                cache: true
                });
                // hide the button once comments load
                jQuery(this).fadeOut();
                });
                });