What is the output of the following code?

```
var g = $q.defer();
var f = $q.defer();
setTimeout(function(){
g.resolve(1);
}, 1000);
setTimeout(function(){
f.resolve(2);
}, 2000);
console.log(g.then(function(x){
return f.then(function(y){
return x + y;
});
}));
```

Question

```javascript
f = function(item) {
   return $http({
      url : 'api/route',
      method : 'POST',
      data : item.data
   });
};

g = function(items) {
   x = items.map(f(item));
   return $q.all(x);
};
```

Select the correct assertions in the list :

Accepted Answer

g returns a promise.

Accepted Answer

f returns a promise.

Answer

In the expression 

```javascript
g(items).then(cb1, cb2);
```
with
```javascript
items = [{
  data : 'data'
}];
```
cb2 is not called in case of network error

Answer

In the expression 

```javascript
g(items).then(cb1, cb2);
```
with
```javascript
items = [{
  data : 'data'
}];
```
cb1 takes as argument an object containing a 1-element array

Question from the AngularJS test

What is the output of the following code? ``` var g = $q.defer(); var f = $q.defer(); setTimeout(function(){ g.resolve(1); }, 1000); setTimeout(function(){ f.resolve(2); }, 2000); console.log(g.then(function(x){ return f.then(function(y){ return x + y; }); })); ```