angular.js - Questions about a piece of code in the angularjs document

Question

This is a piece of code in the angularjs document

$http.jsonp is an asynchronous request. How can we ensure that the $http.jsonp request has been completed when the convert method is called.

Answer 1

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