掘金设置动态头像

控制台运行：

var ajax = new XMLHttpRequest();
//https://juejin.cn/user/update/upload_avatar
   ajax.open('post','https://juejin.cn/web/user/update/user_info/',true);
   ajax.setRequestHeader('content-type','application/x-www-form-urlencoded');
   ajax.send("aid=2608&avatar=https://p26-passport.byteacctimg.com/img/user-avatar/10313847876b10da7a1e8558cde32a75~40x40.awebp");
   ajax.onreadystatechange = function (){
   if(ajax.readyState==4&&ajax.status==200){
       var c = ajax.responseText;
       console.log(c)
   }
}

注：https://p26-passport.byteacctimg.com/img/user-avatar/10313847876b10da7a1e8558cde32a75~40x40.awebp （动态图片地址）