这有帮助：
var req = new XMLHttpRequest();req.open('GET', document.location, false);req.send(null);var headers = req.getAllResponseHeaders().toLowerCase();alert(headers);
这有帮助：
var req = new XMLHttpRequest();req.open('GET', document.location, false);req.send(null);var headers = req.getAllResponseHeaders().toLowerCase();alert(headers);名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
