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How does Angular improve performance? Angular improves performance through features such as change detection, AOT (Ahead of Time) compilation, lazy loading, and tree shaking. Change detection allows Angular to track changes in the data and update the view only when necessary. AOT compilation reduces the amount of JavaScript code that needs to be downloaded by the browser, while lazy loading allows for the loading of components only when required. Tree shaking enables the removal of unused code, thereby reducing the overall size of the application.
What is Angular? Angular is an open-source JavaScript framework used for building web and mobile applications. It is developed and maintained by Google and has a Model-View-Controller (MVC) architecture. Angular provides a set of tools and features that make development easier, faster, and more efficient.
How does Angular ensure security? Angular follows a set of security best practices to ensure that applications built using the framework are secure. These best practices include features such as input validation, output encoding, and content security policies. Angular also provides a way to implement security features such as authentication and authorization using third-party libraries or custom code.
What is the difference between AngularJS and Angular? AngularJS is the older version of the framework and is based on JavaScript. Angular, on the other hand, is a complete rewrite of AngularJS and is based on TypeScript. Angular has also been designed to be more modular and efficient compared to AngularJS.
How does Angular handle routing? Routing in Angular is achieved using the router module. The router module provides a set of services and directives that allow the application to navigate between components. Routing in Angular is based on the URL and can be configured to handle different parameters such as query strings and route guards.
What are the benefits of using Angular? Using Angular can bring many benefits to your development process, such as increased productivity, better performance, improved scalability, and code reusability. Angular also allows you to create dynamic and interactive user interfaces, implement data binding, and perform form validation.
What is dependency injection in Angular? Dependency injection in Angular involves creating a container that holds all the services and dependencies that the application requires. These dependencies can be injected into the components as needed, thereby making the code more modular and easier to manage. This also allows for easy testing and debugging.
How does Angular differ from other JavaScript frameworks? Angular differs from other JavaScript frameworks in that it provides a full-stack solution that eliminates the need for external libraries. It also offers a robust set of features such as dependency injection, two-way data binding, and component-based architecture. Angular also has a large and active community of developers who contribute to the framework.
What is two-way data binding in Angular? Two-way data binding is a feature in Angular that allows the data to flow from the model to the view and vice versa. Whenever a change is made in the model, the view is updated automatically, and when a change is made in the view, the model is updated. This feature can save a lot of time and effort in writing code for data updates.
What is a component in Angular? A component is a core building block in Angular. Components are responsible for managing a specific part of the user interface and the logic associated with it. Components are composed of three major parts - the HTML template, the component class, and the metadata.