javascript - 如何在 JavaScript 中获取 foreach 循环之外的数据？

Question

我想在 foreach 之外获取我的 uid 值。我该怎么做。 .请帮忙

这是我的代码

var conf_url = "https://192.168.236.33/confbridge_participants/conference_participants.json?cid=0090000007";

       getParticipant(conf_url, function(data) {
        data.forEach(function(obj){
           document.write(obj['uid'])
        });
    });
// i want to get the value of uid here
// I WANT TO GET THE VALUE OF UID HERE
     function getParticipant(conf_uri, handleData) {
        $.ajax({
          type: "GET",
          url: conf_uri,
          dataType: "jsonp",
          jsonpCallback: 'callback',
          contentType: "application/javascript",
          success: function(data) {
            handleData(data);
            console.log(data);
          }
        });

      }

这是我的 json 数据，即 https://192.168.236.33/confbridge_participants/conference_participants.json?cid=0090000007

[{"id":8,"uid":"0090000163","cid":"0090000007","extension":"202","secret":"Myojyo42f!","leader":true,"simultaneous":false,"confbridge_id":6,"created_at":"2015-08-18 09:22:20","updated_at":"2015-08-18 09:22:20"},{"id":11,"uid":"0090000165","cid":"0090000007","extension":"204","secret":"Myojyo42f!","leader":false,"simultaneous":false,"confbridge_id":6,"created_at":"2015-08-18 09:45:36","updated_at":"2015-08-18 09:45:36"}]

Answer 1

您可以声明一个全局变量

    var newVariable = [];

    getParticipant(conf_url, function(data) {
        data.forEach(function(obj){
           newVariable.push(obj['uid']);
        });
    });

newVariable 现在可以在 foreach 外部访问，但请检查您的分配，您正在使用循环，因此预计您有多个值。