axios 当项目域名和http请求域名不一致时候，catch 获取不到错误状态码和错误状态信息

Question

如题

版本是0.18.0

 .catch(function (error) {
            if (error.response) {
              // The request was made and the server responded with a status code
              // that falls out of the range of 2xx
              console.log(error.response.data);
              console.log(error.response.status);
              console.log(error.response.headers);
            } else if (error.request) {
              // The request was made but no response was received
              // `error.request` is an instance of XMLHttpRequest in the browser and an instance of
              // http.ClientRequest in node.js
              console.log(error.request);
            } else {
              // Something happened in setting up the request that triggered an Error
              console.log('Error', error.message);
            }

这是官方demo,log 出来的是undefined

Answer 1

未正确配置跨域时，报错是有浏览器策略发出的，代码无法捕获。