NeoSOFT Angular Developer Interview Questions, Process, and Tips

Q1. Brief about your project ?
Ans. 
Developed a web application for managing inventory and sales for a retail store.
• Used Angular framework to create a responsive and user-friendly interface.

• Implemented features for adding, updating, and deleting products in the inventory.

• Integrated with backend APIs to fetch real-time sales data and generate reports.

• Utilized Angular Material for designing consistent UI components.
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Q2. What is angular? what is SPA?
Ans. 
Angular is a popular front-end framework for building web applications. SPA stands for Single Page Application.
• Angular is a front-end framework developed by Google for building dynamic web applications.

• It uses TypeScript for building applications with components, services, and modules.

• SPA is a web application that loads a single HTML page and dynamically updates the content as the user interacts with the app.

• SPA provid...read more
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Q3. What is lazy loading?
Ans. 
Lazy loading is a technique in web development where resources are loaded only when needed, improving performance.
• Lazy loading helps reduce initial load time by loading resources on demand

• It is commonly used in Angular for loading modules, components, or routes asynchronously

• Lazy loading can improve user experience by speeding up page load times
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Q4. What is rxjs? in deep?
Ans. 
RxJS is a library for reactive programming using Observables to handle asynchronous data streams.
• RxJS stands for Reactive Extensions for JavaScript.

• It allows you to work with asynchronous data streams and handle events.

• Operators like map, filter, and mergeMap are used to manipulate and combine streams.

• Subscriptions are used to listen to and react to changes in the data streams.

• Example: Using RxJS to make HTTP requests
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Q5. Angular and javascript basic question?
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Q6. Difference between ?? and ?:
Ans. 
?? is the nullish coalescing operator, while ? is the optional chaining operator in Angular.
• ?? is used to provide a default value when a variable is null or undefined.

• ? is used to safely access nested properties of an object without causing errors.

• Example: const name = person?.name; // safe access to 'name' property of 'person' object
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Q1. Call hell, interceptor, slice splice
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Q2. Map foreach closures
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Q3. Promises observales
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Q4. Angular 17 updates
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Q5. Lifecycle hooks
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Q1. 1. Difference between var, const, let?Difference between var, const, let? 2. Features of ES6? 3. What is Closure in Javascript?
Ans. 
Answers to common questions asked in an Angular Developer interview.
• var, const, and let are used to declare variables in JavaScript

• var has function scope, while let and const have block scope

• const is used to declare variables that cannot be reassigned

• let is used to declare variables that can be reassigned

• ES6 introduced new features like arrow functions, template literals, and destructuring

• Closure is a function that has...read more
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First 100 prime numbers

Q1. What was the Reason for switch?
Ans. 
Switched to Angular for its robustness and scalability.
• Angular offers better performance and scalability compared to other frameworks.

• Angular's modular architecture allows for easy maintenance and updates.

• Angular's extensive documentation and community support make it a reliable choice.

• Switching to Angular also allowed for better integration with other technologies.

• Overall, the decision to switch to Angular was based o...read more
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