Im a newbie in AngularJs and do not really know how to get length of response outside function.
var onUsers = function(response){
$scope.users = response.data;
console.log($scope.users.length); //here works
}
But when i try outside onUsers function
console.log($scope.users.length);
I get an error.
I think the problem is that you are trying to access $scope.users.length before your response has returned from the server. so $scope.users is still undefined. This is a classic problem of asynchronous javascript and you need to use promises for this. Which means that you should write the code that you are executing outside onUsers in the promise callback.
Read this: https://docs.angularjs.org/api/ng/service/$q
You can use $scope.$watch for run a function when the variable change.
$scope.$watch('users', function(users) {
console.log(users.length);
});
AS the angular code runs asynchronous so console.log($scope.users.length) runs before the promise returned.
var onUsers = function(response){
$scope.users = response.data;
console.log($scope.users.length); //here works
}
your console.log($scope.users.length) in above function works because it is a success handler.
you can get the your console.log works out side the success handler by using $timeout. i am assuming after 5000 your response will arive.
$timeout(function() {
console.log($scope.users.length);
}, 5000);
console.log($scope.users)?$scope.usersbefore it is assigned theresponse.data.$httpis Promise returning so you need to access the data after the Promise has resolved.