By using Modules, $scope can avoid conflicts and ensure modularity in large AngularJS applications. Modules are a way to organize and structure an AngularJS application. They help in encapsulating code, defining boundaries, and managing dependencies, leading to a more modular and maintainable codebase. Understanding how to use Modules is essential for building scalable and organized AngularJS applications.

The ng-model directive in AngularJS is primarily used for two-way data binding. It binds the value of HTML elements (like input, select, and textarea) to a property on the model. When the user interacts with the UI, changes are automatically reflected in the model, and vice versa. Understanding and using ng-model is essential for implementing efficient and dynamic forms in AngularJS applications.

While $scope is essential for data binding and communication in AngularJS, improper use can impact the debugging process. Excessive use of $scope can make the scope hierarchy complex, making it challenging to trace variable values and dependencies during debugging. Developers may encounter difficulties understanding the flow of data between controllers and directives. Therefore, a judicious and organized use of $scope is necessary to streamline the debugging process in AngularJS applications.

The ng-click directive in AngularJS is used to execute a function in the controller when a specified event (such as a button click) occurs. This directive binds the specified expression to the click event, allowing developers to define custom behaviors when the associated element is clicked. Understanding how to use ng-click is essential for handling user interactions in AngularJS applications.

The primary purpose of a module in AngularJS is encapsulating components. Modules help organize and structure an AngularJS application by grouping related components, services, and directives together. This encapsulation enhances modularity, maintainability, and code reusability in AngularJS projects. Understanding the role of modules is fundamental for creating well-organized and scalable AngularJS applications.

The primary purpose of AngularJS expressions is to bind data from the model to the view. These expressions are written in double curly braces {{ }} and are used to display dynamic data in the HTML document. By using expressions, AngularJS allows developers to create dynamic and responsive user interfaces, making it easier to reflect changes in the underlying data in real-time. Understanding expressions is fundamental for effective data binding in AngularJS applications.

Integrating with an external WebSocket API in AngularJS is advantageous because it reduces the need for constant polling. WebSockets enable bidirectional communication between the client and server, allowing real-time data updates. This leads to a more responsive and efficient application, particularly in scenarios where timely updates are critical, such as live chat applications or financial dashboards.

In MVC architecture, the Controller component is responsible for handling user interactions and managing the flow of data between the Model and View.

AngularJS expressions have limitations compared to standard JavaScript expressions, including limited access to global objects. Due to security reasons, AngularJS expressions do not have direct access to the global window object or other global variables. Developers should be aware of these limitations when working with expressions in AngularJS and use them judiciously to maintain a secure and efficient application.

In AngularJS, when two controllers need to communicate, you can use the $broadcast and $on features. $broadcast sends an event downward to all child scopes, and $on listens for these events. This allows controllers to exchange information without being directly connected. Understanding this mechanism is crucial for implementing efficient communication between controllers in AngularJS applications.

In AngularJS, two-way data binding is a common practice to handle DOM events and update the model accordingly. Two-way data binding establishes a synchronization between the model and the view, allowing changes in one to automatically reflect in the other. This simplifies the process of handling user input and keeping the application state in sync with the user interface. Understanding two-way data binding is fundamental to effective data management in AngularJS.

In AngularJS, when data in the model changes, the two-way data binding automatically updates the Template to reflect these changes. The template is the HTML representation that binds to the model using directives like ng-model. This automatic update ensures that the user interface stays synchronized with the underlying data, enhancing the responsiveness of AngularJS applications. Understanding the role of the template is crucial for effective implementation of two-way data binding in AngularJS.