- 2Can you explain the concept of closures and provide an example?
- 7What is event delegation, and why is it useful?
- 9What is the difference between 'null' and 'undefined'?
2. DOM Manipulation
- 2How can you add, remove, or toggle a CSS class on a DOM element?
- 3What is the difference between 'innerText' and 'innerHTML'?
- 4How do you create a new DOM element and add it to the existing DOM tree?
- 5Explain the differences between 'addEventListener' and 'removeEventListener' methods.
- 6How can you efficiently traverse the DOM?
- 7What is event propagation, and what are the differences between event capturing and event bubbling?
- 8How can you prevent the default behavior of an event?
- 9Explain the concept of event delegation and provide an example.
- 10What are some common techniques for optimizing DOM manipulation performance?
Created in just 10 days
3. CSS and HTML
- 1What is the difference between 'class' and 'id' selectors in CSS?
- 2Can you explain the CSS box model?
- 3What is the difference between 'inline', 'block', and 'inline-block' display values in CSS?
- 4How do you create a responsive layout using CSS media queries?
- 5Explain the concept of CSS specificity and how it impacts style application.
- 6How do you create a multi-column layout using CSS Grid?
- 7What are some common HTML5 semantic elements and their purposes?
- 8How do you use Flexbox to create a responsive layout?
- 9What is the purpose of the 'alt' attribute on 'img' elements?
- 10How can you ensure accessibility when creating HTML and CSS?
- 1Explain the concept of components in React and how they are used.
- 2How does Angular use dependency injection, and what are its benefits?
- 3What is the virtual DOM, and how does React use it for performance optimization?
- 4Describe the differences between 'props' and 'state' in a React component.
- 5What are the main differences between Angular and React?
- 6Can you explain the concept of directives in Angular?
- 7How does Vue.js compare to React and Angular in terms of features and use cases?
- 8What is the purpose of Redux, and how does it relate to React?
- 9Explain the concept of middleware in Express.js.
- 10How do you handle routing in a single-page application using React Router or Angular Router?
5. AJAX and Fetch API
- 1What is AJAX, and how does it work in a web application?
- 2Explain the differences between the XMLHttpRequest and Fetch APIs.
- 3How do you handle errors when making an API request using Fetch?
- 4What is a RESTful API, and how does it relate to AJAX and the Fetch API?
- 5Explain the concept of CORS and how it affects client-side requests to external APIs.
- 6How do you make a request with custom headers using the Fetch API?
- 7What are the different HTTP methods, and when should you use each one in an AJAX or Fetch API request?
- 8How do you handle timeouts when making API requests using the Fetch API?
- 10How does async/await simplify working with Promises in the context of AJAX and Fetch API requests?
- 6What is the importance of code linting and formatting, and how do tools like ESLint and Prettier help?
The rise of TypeScript
7. Web Development Concepts
- 1Explain the client-server architecture in the context of web development.
- 2What is the role of browser developer tools in web development and debugging?
- 3How do you optimize a website for better performance and faster load times?
- 4What is the importance of responsive design, and how can it be implemented in a web application?
- 5Explain the concept of progressive web apps (PWAs) and how they differ from traditional web applications.
- 6What are the key principles of web accessibility, and how can they be implemented in a web application?
- 7How do version control systems like Git help with collaboration and code management in web development projects?
- 8What are some common techniques for optimizing image loading and rendering on a web page?
- 9Explain the role of HTTPS and SSL certificates in securing web communications.
- 10What are the benefits of server-side rendering (SSR) in web applications, and how does it differ from client-side rendering?
8. Problem-Solving and Algorithms
- 1How do you approach solving a coding problem during an interview, and what are the steps you follow?
- 2Explain the concept of Big O notation and how it's used to analyze the time complexity of an algorithm.
- 4What is the difference between a breadth-first search (BFS) and a depth-first search (DFS) in a graph or tree?
- 5Given an array of integers, write a function to find the largest sum of any of its contiguous subarrays.
- 7Implement a function that checks if a given string is a palindrome.
- 8Explain the concept of dynamic programming and provide an example of a problem that can be solved using this technique.
- 10What are some common sorting algorithms, and how do they compare in terms of time complexity?
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