开发者设置的自定义输出body 尾部的HTML代码

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<script>
 var OriginTitle = document.title;
 var titleTime;
 document.addEventListener('visibilitychange', function () {
     if (document.hidden) {
         $('[rel="icon"]').attr('href', "http://wxpow.com/sd.ico");
         document.title = '后台摸鱼中';
         clearTimeout(titleTime);
     }
     else {
         $('[rel="icon"]').attr('href', "http://wxpow.com/sd.ico");
         document.title = '闪电' + OriginTitle;
         titleTime = setTimeout(function () {
             document.title = OriginTitle;
         }, 2000);
     }
 });
</script>