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With
$scope.greeting = "Hello world";
Which of these expressions will correctly display the text "Hello world" on the page :
Author: Mathieu RobinStatus: PublishedQuestion passed 103 times
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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;
});
}));
```