引发TypeError的jQuery Ajax
  我很难弄清楚这一点。  我想知道是否TypeError是由第二个AJAX调用(或osmtogeojson.js )引起的? 
通过提醒它,我确信我的第一个成功函数中的数据不为空。
function sendQueryData(url, query){
    url =url.replace('query' , query);
    if (query === ""){
        alert("City Input Required");
    }else{
        $.ajax({
          beforeSend: function(xhr, settings) {
            if (!csrfSafeMethod(settings.type) && !this.crossDomain) {
                xhr.setRequestHeader("X-CSRFToken", csrftoken);
            }
          },
          type: "POST",
          url: "/search/pass/",
          data: {
              'query' : query
          },
          success: function(data){
             $.ajax({
                type: "POST",
                contentType: 'application/json;  charset=utf-8',
                dataType: 'json',
                url: url,
                data: {
                    'feature': osmtogeojson(data)
                },
                success: function (data) {
                    window.location.href = url
                }
            });
          }
        });
    }
}
这是浏览器控制台输出的内容:
TypeError:e.elements未定义
[了解更多信息] osmtogeojson.js:4:2503
n http:// localhost:8000 / static / js / osmtogeojson.js:4:2503
ühttp:// localhost:8000 / static / js / osmtogeojson.js:4:14818
成功http:// localhost:8000 /:235:36
我是https://ajax.googleapis.com/ajax/libs/jquery/3.2.1 /jquery.min.js:2:28012
firewith https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js:2:28783
https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js:4:14033
c / <https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js:4:16323
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