js跳转导致获取来源地址document.referrer失败的解决方案

var ref = ""; if (document.referrer.length > 0) { 　　 ref = document.referrer; 　　} if (ref.length == 0 && opener.location.href.length > 0) { 　ref = opener.location.href; } alert(ref)

更详细的document.referrer兼容性请参考： https://blog.csdn.net/flyingpig2016/article/details/53130912