Podcast
Questions and Answers
What is the purpose of the $watch
function in the provided code?
What is the purpose of the $watch
function in the provided code?
- To create a new Angular module
- To broadcast an event down the scope hierarchy
- To update the `newMessage` and `oldMessage` properties whenever the `message` property changes (correct)
- To listen for an event broadcasted from a parent scope
What does the $broadcast
function do in Angular?
What does the $broadcast
function do in Angular?
- It creates a new scope
- It updates the value of a property on the current scope
- It propagates events up the scope hierarchy
- It propagates events down the scope hierarchy (correct)
In the provided code, which controller(s) will receive the event broadcasted by the ParentController
?
In the provided code, which controller(s) will receive the event broadcasted by the ParentController
?
- Only the `ChildController`
- Only the `ChildsChildController`
- Both the `ChildController` and `ChildsChildController` (correct)
- None of the controllers
What is the purpose of the $on
function in the provided code?
What is the purpose of the $on
function in the provided code?
What is the syntax for using the $broadcast
function in Angular?
What is the syntax for using the $broadcast
function in Angular?
In the provided code, what is the value of $scope.message
in the ChildsChildController
after the handleClick
function is called with the argument 'Hello'?
In the provided code, what is the value of $scope.message
in the ChildsChildController
after the handleClick
function is called with the argument 'Hello'?
What is the purpose of the angular.module
function in the provided code?
What is the purpose of the angular.module
function in the provided code?
What is the purpose of the var app = angular.module('app', []);
line in the provided code?
What is the purpose of the var app = angular.module('app', []);
line in the provided code?
What is the purpose of the controller
function in the provided code?
What is the purpose of the controller
function in the provided code?
In the provided code, what is the value of {{message}}
in the ParentController
after the handleClick
function is called with the argument 'Hello'?
In the provided code, what is the value of {{message}}
in the ParentController
after the handleClick
function is called with the argument 'Hello'?