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这个是angularjs文档里面的一段代码
$http.jsonp是异步请求啊，怎么能保证在调用convert方法的时候，$http.jsonp已经请求完成。
It is an asynchronous request, not an abnormal request. In this case, the service returns a method (console.log is Promise) instead of returning data (usually json), so that the request is sent when executed in the controller
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
It is an asynchronous request, not an abnormal request. In this case, the service returns a method (console.log is Promise) instead of returning data (usually json), so that the request is sent when executed in the controller