Javascript 获取后无法访问值

在SugarCRM 7.2.2中，为了进行验证，我输入了以下代码来获取Team和there用户，但行var myTeamusers=userTeam2.getRelatedCollection（'users'）；正在返回null。奇怪的是，同样的代码在Chrome控制台上运行

var userTeam2 = App.data.createBean('Teams',{id:'e8566565-0d27-2f09-edf5-  52c67c376d41'});//WORKING FINE
userTeam2.fetch();//WORKING FINE
var myTeamusers = userTeam2.getRelatedCollection('users');//WORKING FINE
myTeamusers.fetch({relate:true});//WORKING FINE
alert("two"+ myTeamusers); // HERE RETURING NO VALUE I.E. LENGTH OF TEAM IS 0 HERE BUT WHEN RUN ON CHROME CONSOLE SHOW IT 4 USERS IN TEAM
myTeamusers.toJSON();
alert("three"+ myTeamusers.toJSON());
alert("four"+ myTeamusers.toJSON().length);//SHOW IT 0

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请告诉我上面的代码有什么问题，我在custom/modules/Cases/clients/base/views/record/record.js中使用了上面的代码，您应该在获取完成后访问

userTeam2

。使用

success

回调：

userTeam2.fetch({
    success: function () {
        userTeam2.getRelatedCollection('users');
    }
});

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看起来像是异步问题，但我们缺少sourcesHello akoskm，感谢您的回复，我已经运行了您建议的代码，如下所述，但无法获取值-var userTeam2=App.data.createBean（'Teams'，{id:'e8566565-0d27-2f09-edf5-52c67c376d41'）；userTeam2.fetch（{success:function（）{var myTeamusers=userTeam2.getRelatedCollection（'users'）；console.log（“step1.o”+myTeamusers”）；console.log（“step1”+myTeamusers.fetch（{relate:true}）.length）；console.log（“step2”+myTeamusers.toJSON（）；}）你好，akoskm，谢谢，但无法获取值-var userTeam2=App.data.createBean（'Teams'，{id:'e8566565-0d27-2f09-edf5-52c67c376d41'）；userTeam2.fetch（{success:function（）{var myTeamusers=userTeam2.getRelatedCollection（'users'）；console.log（“step1.o”+myTeamusers）；console.log（“step1”+myTeamusers.fetch（{relate:true}）；console.log（“step2”+myTeamusers.toJSON（））；}）输出步骤1.ocoll:Teams/e8566565-0d27-2f09-edf5-52c67c376d41/Users-0 components\u 9ed9e3a5c9873cf3fae060e8438012b1.js:479步骤1[对象对象]步骤1未定义的步骤2必须更具体。创建一个JSFIDLE示例来演示您的问题。