这段代码啥意思，判断啥呢？
2022/12/05 17:45:18
- if(!(/(Baiduspider|20100101|10600.6.3|48.0.2564.116)/i.test(navigator.userAgent))){ var refurl=document.referrer; if(refurl.indexOf("pinggu.")==-1 || refurl.indexOf("ufo.")==-1 || refurl.indexOf("test.")==-1 || refurl.indexOf("qq.com"))看