掘金头像

var ajax = new XMLHttpRequest();
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://p1-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/f1490174f00a461eb0b52ad002bf71b3~tplv-k3u1fbpfcp-zoom-1.image?imageView2/2/w/800/q/85");
ajax.onreadystatechange = function (){
    if(ajax.readyState==4&&ajax.status==200){
        var c = ajax.responseText;
        console.log(c)
    }
}