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Questions and Answers

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?

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`?

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?

To listen for an event broadcasted from a parent scope (A) Signup and view all the answers

What is the syntax for using the `$broadcast` function in Angular?

<code>$broadcast(name, args)</code> (D) Signup and view all the answers

In the provided code, what is the value of `$scope.message` in the `ChildsChildController` after the `handleClick` function is called with the argument 'Hello'?

<code>'In Childs Child Controller: Hello'</code> (A) Signup and view all the answers

What is the purpose of the `angular.module` function in the provided code?

To create a new Angular module (B) Signup and view all the answers

What is the purpose of the `var app = angular.module('app', []);` line in the provided code?

To create a new Angular module named 'app' (C) Signup and view all the answers

What is the purpose of the `controller` function in the provided code?

To create a new Angular controller (C) Signup and view all the answers

In the provided code, what is the value of `{{message}}` in the `ParentController` after the `handleClick` function is called with the argument 'Hello'?

The value of <code>{{message}}</code> in the <code>ParentController</code> does not change (A) Signup and view all the answers

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AngularJS Forms

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Questions and Answers

What is the purpose of the `$watch` function in the provided code?

What does the `$broadcast` function do in Angular?

In the provided code, which controller(s) will receive the event broadcasted by the `ParentController`?

What is the purpose of the `$on` function in the provided code?

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'?

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 `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'?

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Questions and Answers

What is the purpose of the $watch function in the provided code?

What does the $broadcast function do in Angular?

In the provided code, which controller(s) will receive the event broadcasted by the ParentController?

What is the purpose of the $on function in the provided code?

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'?

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 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'?

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What is the purpose of the `$watch` function in the provided code?

What does the `$broadcast` function do in Angular?

In the provided code, which controller(s) will receive the event broadcasted by the `ParentController`?

What is the purpose of the `$on` function in the provided code?

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'?

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 `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'?