I have experienced in front-end developer 1.what are the challenges you faced in your project. 2.rela time example of subject and behaviour subject 3.how you call the multiple API using promises 4. disadvantages of Dependency Injection 5.how to store data in cookie 6.how to manage external tab applications in angular

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Answering questions related to front-end development challenges and techniques.

Challenges faced in front-end development projects include browser compatibility issues, performance optimization, and responsive design implementation.
Real-time examples of Subject and BehaviorSubject in Angular can be demonstrated by creating a chat application where Subject is used for broadcasting messages and BehaviorSubject is used for storing the current chat room.
Calling multiple APIs using promises involves chaining multiple API calls together using the then() method to ensure sequential execution.
Disadvantages of Dependency Injection include increased complexity in configuration, potential performance overhead, and difficulty in debugging.
Storing data in cookies can be achieved by using document.cookie in JavaScript or by using libraries like ngx-cookie-service in Angular.
Managing external tab applications in Angular can be done by using routing guards to prevent unauthorized access and by utilizing Angular's HttpClient module for making API calls to external applications.

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