[
  {
    "path": "README.md",
    "content": "# Machine Coding🧠 Round Questions-Frontend🎯\n\n### HTML and CSS\n\n1. **Build a Basic HTML Page**: Create a basic HTML page that includes a header, navigation menu, main content section, and a footer.\n\n2. **Responsive Navigation Menu**: Implement a responsive navigation menu that collapses into a hamburger menu on smaller screens using HTML, CSS, and JavaScript/jQuery.\n\n3. **JavaScript Calculator**: Build a simple calculator using HTML, CSS, and JavaScript that can perform basic arithmetic operations (addition, subtraction, multiplication, division).\n\n4. **Image Carousel**: Create an image carousel/slider using HTML, CSS, and JavaScript/jQuery that allows users to navigate through a set of images with next and previous buttons.\n\n5. **To-Do List Application**: Develop a to-do list web application using HTML, CSS, and JavaScript. Users should be able to add, edit, and delete tasks.\n\n6. **Responsive Design**: Take an existing web page and make it responsive for various screen sizes (e.g., desktop, tablet, mobile) using media queries and CSS.\n\n7. **Fetch API**: Use the Fetch API to retrieve data from a JSON endpoint and display it on a web page using JavaScript.\n\n8. **Single Page Application (SPA)**: Build a simple single-page application (SPA) using a frontend framework of your choice (e.g., React, Angular, Vue.js). Create multiple views and navigate between them.\n\n9. **Form Validation**: Implement client-side form validation for a registration form using HTML5 and JavaScript. Validate fields like email, password strength, and required fields.\n\n10. **Implement a Drag and Drop Feature**: Create a web page with a drag-and-drop interface using HTML, CSS, and JavaScript. Allow users to drag elements and drop them into designated areas.\n\n11. **Infinite Scroll**: Implement an infinite scroll feature on a web page. Load additional content as the user scrolls down the page using JavaScript and AJAX.\n\n12. **Interactive Map**: Build an interactive map using a mapping library (e.g., Leaflet, Google Maps API) and allow users to search for locations, add markers, and display additional information when clicking on markers.\n\n13. **Web Accessibility**: Ensure that a web page complies with web accessibility standards (WCAG). Make necessary HTML and CSS modifications to improve accessibility for users with disabilities.\n\n14. **CSS Animation**: Create a CSS animation, such as a spinning loader or a fading effect, to enhance user experience on a webpage.\n\n15. **Responsive Email Template**: Design and code a responsive email template that looks good on both desktop and mobile email clients.\n\n16. **Dynamic Content Filtering**: Create a web page that allows users to filter content dynamically based on categories or tags using JavaScript.\n\n17. **Social Media Sharing Buttons**: Implement social media sharing buttons (e.g., Facebook, Twitter) on a webpage. When a user clicks a button, a share dialog should appear.\n\n18. **Image Lazy Loading**: Implement image lazy loading to improve page performance. Images should only load when they are in the viewport.\n\n19. **Form Autocomplete**: Add autocomplete functionality to a search input field using JavaScript. Provide suggestions as the user types.\n\n20. **Implement a Lightbox**: Create a lightbox/modal window that displays images or content when a user clicks on a thumbnail or a button.\n\n### Intermediate Frontend Development\n\n21. **Real-time Chat Application**: Build a real-time chat application using a frontend framework (e.g., React, Vue.js) and a backend technology like WebSocket or Firebase.\n\n22. **Responsive Tables**: Make HTML tables responsive. Ensure that tables adapt to different screen sizes without horizontal scrolling.\n\n23. **Data Visualization**: Create a data visualization chart (e.g., bar chart, pie chart) using a JavaScript library like D3.js or Chart.js.\n\n24. **Sticky Navigation**: Implement a sticky navigation bar that sticks to the top of the page when scrolling down and returns to its original position when scrolling up.\n\n25. **Web Performance Optimization**: Optimize the performance of a slow-loading webpage. Identify bottlenecks and apply optimizations to reduce load times.\n\n26. **Progressive Web App (PWA)**: Convert a web application into a Progressive Web App. Add features like offline access and push notifications.\n\n27. **Unit Testing**: Write unit tests for a JavaScript function or component using a testing framework like Jest.\n\n28. **Cross-browser Compatibility**: Ensure that a webpage works correctly and looks consistent across different web browsers (e.g., Chrome, Firefox, Edge).\n\n29. **Web Security**: Identify and fix security vulnerabilities in a web application, such as Cross-Site Scripting (XSS) or Cross-Site Request Forgery (CSRF).\n\n30. **Responsive Email Signature**: Design and code a responsive email signature that can be used in email clients.\n\n31. **Infinite Carousel**: Create an infinite carousel/slider that automatically loops through a set of images or content, providing navigation controls for the user.\n\n32. **Image Gallery**: Build an image gallery where users can view a collection of images, click to enlarge, and navigate through them using previous and next buttons.\n\n33. **Tooltip Component**: Design and implement a reusable tooltip component in HTML, CSS, and JavaScript/jQuery that appears when hovering over specific elements.\n\n34. **Data Fetch and Display**: Fetch data from a public API (e.g., GitHub API, OpenWeatherMap API) and display it on a webpage using JavaScript. Format and style the data appropriately.\n\n35. **Animated Dropdown Menu**: Create a dropdown menu that expands and collapses with smooth animations when the user hovers over a trigger element.\n\n36. **Interactive Forms**: Enhance a web form with interactive features like auto-suggestions, input validation, and conditional form fields using JavaScript.\n\n37. **Page Transitions**: Implement smooth page transitions between different sections or pages of a website using CSS transitions and JavaScript.\n\n38. **Keyboard Shortcuts**: Add keyboard shortcuts to a web application to improve user accessibility and navigation.\n\n39. **Dark Mode Toggle**: Create a dark mode toggle button that switches the website's color scheme between light and dark mode.\n\n40. **WebGL Experiment**: Develop an interactive WebGL project, such as a 3D visualization or animation, and embed it into a webpage.\n\n41. **Custom Video Player**: Build a custom HTML5 video player with custom controls, such as play, pause, volume, and progress bar.\n\n42. **Page Printing Styles**: Define CSS styles for printing a web page so that it looks well-formatted when printed on paper.\n\n43. **Implement a Photo Gallery**: Create a photo gallery with albums, thumbnails, and the ability to view images in a larger size.\n\n44. **Web Audio Player**: Build a web-based audio player with features like play, pause, volume control, and playlist support.\n\n45. **SVG Animation**: Animate SVG graphics using CSS or JavaScript to create eye-catching visual effects.\n\n46. **Custom CSS Framework**: Develop a custom CSS framework with pre-designed components and styles for rapid front-end development.\n\n47. **Web Animation Framework**: Create a JavaScript animation framework that simplifies the process of animating elements on a webpage.\n\n48. **Augmented Reality Web App**: Develop an augmented reality (AR) web application that overlays digital content on the user's real-world view using WebXR or similar technology.\n\n49. **Progressive Image Loading Placeholder**: Implement a progressive image loading technique that displays a blurred or low-quality image as a placeholder while the high-quality image loads.\n\n50. **Automated Web Testing**: Write automated tests for a web application using testing frameworks like Selenium or Cypress.\n\n### Expert Frontend Development (Part 1)\n\n51. **Custom Web Animation Library**: Create a small JavaScript library for animating elements on a webpage, including support for various easing functions.\n\n52. **Custom UI Components**: Create custom UI components, such as a modal dialog, date picker, or autocomplete, from scratch using HTML, CSS, and JavaScript.\n\n53. **Mobile-First Development**: Develop a webpage following the mobile-first approach, ensuring it looks and functions well on mobile devices and scales up to larger screens.\n\n54. **Third-Party API Integration**: Integrate with a third-party API (e.g., Google Maps, Twitter, YouTube) and display data or content from that API on your webpage.\n\n55. **Offline Support**: Implement offline support for a web application, allowing users to access content even when they have no internet connection.\n\n56. **Browser History API**: Use the Browser History API to implement client-side routing in a single-page application (SPA).\n\n57. **Infinite Scroll with Pagination**: Combine infinite scrolling with pagination to load and display content efficiently while allowing users to navigate through pages of data.\n\n58. **Web Audio Player**: Build a web-based audio player with features like play, pause, volume control, and playlist support.\n\n59. **WebGL Experiment**: Develop an interactive WebGL project, such as a 3D visualization or animation, and embed it into a webpage.\n\n60. **Lazy-Loaded Modules**: Implement lazy-loading for modules in a frontend framework (e.g., React, Angular, Vue.js) to reduce the initial bundle size.\n\n61. **SVG Icon Library**: Create a reusable SVG icon library with a search and usage feature for easy integration into web projects.\n\n62. **WebGL 3D Scene**: Develop a 3D scene using WebGL, including 3D models, textures, and interactive elements.\n\n63. **Lazy-Loaded Images**: Implement lazy-loaded images that load only when they come into the user's viewport, improving page loading performance.\n\n64. **Web Performance Monitoring**: Implement web performance monitoring and analytics to track and analyze website performance over time.\n\n65. **Web Security Audit**: Perform a security audit on a web application and identify vulnerabilities like SQL injection, XSS, and CSRF. Suggest and implement fixes.\n\n66. **Server-Side Rendering (SSR) with React**: Set up server-side rendering (SSR) for a React application.\n\n67. **WebGL Shader Effects**: Build a WebGL-based shader effect, such as a water ripple effect or a dynamic particle system.\n\n68. **Lazy-Loaded Images**: Implement lazy-loaded images that load only when they come into the user's viewport, improving page loading performance.\n\n69. **Web Performance Monitoring**: Implement web performance monitoring and analytics to track and analyze website performance over time.\n\n70. **Web Security Audit**: Perform a security audit on a web application and identify vulnerabilities like SQL injection, XSS, and CSRF. Suggest and implement fixes.\n\n71. **Server-Side Rendering (SSR)**: Implement server-side rendering for a frontend framework (e.g., React, Angular) to improve initial page load performance.\n\n72. **WebGL Shader Effects**: Build a WebGL-based shader effect, such as a water ripple effect or a dynamic particle system.\n\n73. **Virtual DOM Implementation**: Implement a simplified virtual DOM (similar to React's virtual DOM) in JavaScript.\n\n74. **Progressive Image Loading**: Develop an image loading technique that progressively loads images, starting with low-quality placeholders and improving to high-quality images.\n\n75. **Touch and Gesture Events**: Implement touch and gesture events in a web application to provide touch-based interactions on mobile devices.\n\n76. **Browser Storage Management**: Build a utility for managing browser storage (localStorage, sessionStorage) and provide methods for setting, getting, and removing data.\n\n77. **Web Worker**: Use a web worker to offload computationally intensive tasks from the main thread, improving performance.\n\n78. **Custom UI Components**: Create custom UI components, such as a modal dialog, date picker, or autocomplete, from scratch using HTML, CSS, and JavaScript/jQuery.\n\n79. **Mobile-First Development**: Develop a webpage following the mobile-first approach, ensuring it looks and functions well on mobile devices and scales up to larger screens.\n\n80. **Third-Party API Integration**: Integrate with a third-party API (e.g., Google Maps, Twitter, YouTube) and display data or content from that API on your webpage.\n\n81. **Offline Support**: Implement offline support for a web application, allowing users to access content even when they have no internet connection.\n\n82. **Browser Storage Encryption**: Implement encryption for data stored in browser storage (e.g., localStorage) to enhance security.\n\n83. **WebGL Particle Animation**: Create a particle animation using WebGL, simulating effects like fire, rain, or fireworks.\n\n84. **WebGL Data Visualization**: Develop a data visualization using WebGL to represent complex datasets in an interactive 3D format.\n\n85. **Custom Drag and Drop**: Create a custom drag-and-drop functionality for elements on a webpage without relying on external libraries.\n\n86. **Server-Side Rendering (SSR)**: Implement server-side rendering for a frontend framework (e.g., React, Angular) to improve initial page load performance.\n\n87. **WebGL Shader Effects**: Build a WebGL-based shader effect, such as a water ripple effect or a dynamic particle system.\n\n88. **Virtual DOM Implementation**: Implement a simplified virtual DOM (similar to React's virtual DOM) in JavaScript.\n\n89. **Progressive Image Loading**: Develop an image loading technique that progressively loads images, starting with low-quality placeholders and improving to high-quality images.\n\n90. **Touch and Gesture Events**: Implement touch and gesture events in a web application to provide touch-based interactions on mobile devices.\n\n91. **Browser Storage Management**: Build a utility for managing browser storage (localStorage, sessionStorage) and provide methods for setting, getting, and removing data.\n\n92. **Web Worker**: Use a web worker to offload computationally intensive tasks from the main thread, improving performance.\n\n93. **Browser Storage Encryption**: Implement encryption for data stored in browser storage (e.g., localStorage) to enhance security.\n\n94. **WebGL Particle Animation**: Create a particle animation using WebGL, simulating effects like fire, rain, or fireworks.\n\n95. **WebGL Data Visualization**: Develop a data visualization using WebGL to represent complex datasets in an interactive 3D format.\n\n96. **Custom Drag and Drop**: Create a custom drag-and-drop functionality for elements on a webpage without relying on external libraries.\n\n## React\n\n97. **React Component**: Create a simple React component (e.g., a button or a card) and render it on a webpage.\n\n98. **State Management**: Build a React component that manages and displays state, such as a counter that increments when a button is clicked.\n\n99. **Props and PropTypes**: Create a React component that accepts props and uses PropTypes to define and validate the expected props.\n\n100. **Conditional Rendering**: Implement conditional rendering in a React component based on a condition like user authentication.\n\n101. **Handling Events**: Add event handlers to React components (e.g., onClick, onChange) to make them interactive.\n\n102. **Component Lifecycle**: Utilize component lifecycle methods (e.g., componentDidMount, componentDidUpdate) in a React component.\n\n103. **Forms in React**: Create a form in a React component and manage its state as users input data.\n\n104. **React Router**: Set up routing in a React application using React Router, with multiple routes and navigation.\n\n105. **API Data Fetching**: Fetch data from an API in a React component and display it.\n\n106. **Context API**: Use React's Context API to manage and share state or data across multiple components.\n\n107. **Redux Setup**: Set up a Redux store, actions, and reducers in a React application.\n\n108. **Redux State Management**: Implement state management with Redux, connecting React components to the Redux store.\n\n109. **Redux Middleware**: Use Redux middleware (e.g., Thunk) to handle asynchronous actions in a Redux-powered React application.\n\n110. **Authentication Flow**: Implement user authentication and authorization in a React application, including login and protected routes.\n\n111. **React Hooks**: Rewrite class-based React components into functional components using hooks like useState and useEffect.\n\n112. **Redux Saga**: Integrate Redux Saga for handling side effects (e.g., API calls) in a Redux-based React application.\n\n113. **React Higher-Order Components (HOCs)**: Create a higher-order component (HOC) to add functionality to existing React components.\n\n114. **Error Handling**: Implement error handling and display error messages in a React application.\n\n115. **Optimizing Performance**: Optimize the performance of a React application by reducing unnecessary renders and using memoization.\n\n116. **Unit Testing with React Testing Library**: Write unit tests for React components using React Testing Library and Jest.\n\n117. **Server-Side Rendering (SSR) with React**: Set up server-side rendering (SSR) for a React application.\n\n118. **Progressive Web App (PWA) with React**: Convert a React application into a Progressive Web App with offline support.\n\n119. **Internationalization (i18n)**: Implement internationalization and localization in a React application.\n\n120. **React Animation**: Add animations and transitions to React components using libraries like React Spring or Framer Motion.\n\n121. **Data Pagination**: Implement data pagination in a React application, fetching and displaying data in chunks.\n\n122. **Real-time Updates**: Enable real-time updates in a React application using WebSocket or a similar technology.\n\n123. **Authentication with OAuth**: Implement OAuth-based authentication (e.g., OAuth 2.0) in a React application.\n\n124. **Testing React Hooks**: Write unit tests for custom React hooks using React Testing Library and Jest.\n\n125. **Custom React Router**: Build a custom router using React Router's low-level APIs to gain a deeper understanding of routing.\n\n## Redux\n\n126. **Redux Store**: Create a Redux store and define actions and reducers to manage state.\n\n127. **Redux Actions and Reducers**: Implement Redux actions and reducers to handle specific features or data in a Redux store.\n\n128. **Redux Middleware**: Add custom middleware to a Redux store to intercept and modify actions.\n\n129. **Redux Thunk**: Use Redux Thunk middleware to handle asynchronous actions in a Redux store.\n\n130. **Redux Saga**: Set up Redux Saga to manage side effects, such as API calls, in a Redux-powered application.\n\n131. **Redux State Normalization**: Normalize the shape of the Redux store to efficiently manage relational data.\n\n132. **Redux Selector Functions**: Create selector functions in a Redux application to efficiently retrieve and compute the derived state.\n\n133. **Redux Immutable State**: Ensure that the Redux store's state remains immutable to prevent unintended mutations.\n\n134. **Redux Persistence**: Implement state persistence in a Redux application, allowing the state to be saved and restored across sessions.\n\n135. **Redux Testing**: Write unit tests for Redux actions, reducers, and selectors using testing libraries like Jest.\n\n136. **Redux Middleware Testing**: Test Redux middleware, such as Thunk or Saga, to ensure correct behavior.\n\n137. **Redux DevTools**: Integrate and use Redux DevTools to inspect and debug the Redux store.\n\n138. **Redux Integration with React**: Connect a React application to a Redux store, dispatch actions, and map state to props.\n\n139. **Redux Integration with Angular**: Integrate Redux with an Angular application using libraries like NgRx.\n\n140. **Redux Integration with Vue.js**: Integrate Redux with a Vue.js application using libraries like Vuex.\n\n## Angular\n\n141. **Angular Component**: Create a simple Angular component and display it in a template.\n\n142. **Angular Template Syntax**: Use Angular's template syntax to render dynamic content and data.\n\n143. **Angular Two-Way Binding**: Implement two-way data binding in Angular to synchronize data between a component and its template.\n\n144. **Angular Directives**: Use built-in and custom Angular directives to manipulate the DOM and control rendering.\n\n145. **Angular Services**: Create and use Angular services to share data and logic across components.\n\n146. **Angular Dependency Injection**: Apply dependency injection in Angular to inject services into components.\n\n147. **Angular Routing**: Set up routing in an Angular application with multiple views and navigation.\n\n148. **Angular Forms**: Build forms in Angular, including template-driven and reactive forms.\n\n149. **HTTP Requests in Angular**: Make HTTP requests to retrieve data from an API in an Angular application.\n\n150. **Angular Observables**: Use observables and the RxJS library to work with asynchronous data in Angular.\n\n151. **Angular Pipes**: Create custom pipes in Angular to transform and format data in templates.\n\n152. **Angular Directives**: Develop custom Angular directives to add behavior and interactivity to elements.\n\n153. **Angular Modules**: Organize an Angular application into feature modules to improve maintainability.\n\n154. **Angular Animation**: Implement animations and transitions in Angular components using Angular's animation features.\n\n155. **Unit Testing in Angular**: Write unit tests for Angular components, services, and pipes using testing frameworks like Jasmine and Karma.\n\n156. **End-to-End Testing in Angular**: Perform end-to-end (E2E) testing of an Angular application using tools like Protractor.\n\n157. **Angular Routing Guards**: Create routing guards in Angular to control access to routes based on conditions like authentication.\n\n158. **Angular Interceptors**: Implement interceptors in Angular to add global error handling, logging, or authentication to HTTP requests.\n\n159. **Server-Side Rendering (SSR) with Angular**: Set up server-side rendering (SSR) for an Angular application.\n\n160. **Angular Internationalization (i18n)**: Implement internationalization and localization in an Angular application.\n\n161. **Angular Lazy Loading**: Optimize an Angular application by lazy-loading feature modules.\n\n162. **Angular Custom Forms**: Create custom form controls and validators in Angular for complex form scenarios.\n\n163. **Angular Testing Best Practices**: Apply best practices for testing Angular applications, including component testing and mocking dependencies.\n\n164. **Angular Material**: Integrate and use Angular Material components and styles in an Angular application.\n\n165. **Angular State Management**: Implement state management in an Angular application using libraries like NgRx.\n\n## Vue.js\n\n166. **Vue.js Instance**: Create a Vue.js instance and render data in a template.\n\n167. **Vue.js Data Binding**: Implement data binding in Vue.js to update the UI based on changes in data.\n\n168. **Vue.js Directives**: Use Vue.js directives to manipulate the DOM and add behavior to templates.\n\n169. **Vue.js Components**: Create Vue.js components and pass data between parent and child components.\n\n170. **Vue.js Event Handling**: Handle user events in Vue.js components and trigger actions.\n\n171. **Vue.js Forms**: Build forms in Vue.js and manage form data using directives and methods.\n\n172. **Vue.js Routing**: Set up routing in a Vue.js application with multiple views and navigation.\n\n173. **Vue.js State Management**: Manage application state in Vue.js using Vuex.\n\n174. **Vue.js HTTP Requests**: Make HTTP requests to fetch data from an API in a Vue.js application.\n\n175. **Vue.js Lifecycle Hooks**: Utilize Vue.js lifecycle hooks to perform actions at different stages of a component's lifecycle.\n\n176. **Vue.js Custom Directives**: Create custom directives in Vue.js to extend functionality.\n\n177. **Vue.js Filters**: Define and use custom filters in Vue.js to format and transform data in templates.\n\n178. **Vue.js Transitions and Animations**: Add transitions and animations to Vue.js components for smooth UI effects.\n\n179. **Vue.js Unit Testing**: Write unit tests for Vue.js components using testing libraries like Jest.\n\n180. **Vue.js End-to-End Testing**: Perform end-to-end (E2E) testing of a Vue.js application using tools like Cypress.\n\n181. **Vue.js Routing Guards**: Create routing guards in Vue.js to control access to routes based on conditions like authentication.\n\n182. **Vue.js Server-Side Rendering (SSR)**: Set up server-side rendering (SSR) for a Vue.js application.\n\n183. **Vue.js Internationalization (i18n)**: Implement internationalization and localization in a Vue.js application.\n\n184. **Vue.js Lazy Loading**: Optimize a Vue.js application by lazy-loading components and routes.\n\n185. **Vue.js Composition API**: Develop components using the Vue.js Composition API for more flexible and reusable code.\n\n186. **Vue.js Custom Directives**: Create custom directives in Vue.js to extend functionality.\n\n187. **Vue.js Filters**: Define and use custom filters in Vue.js to format and transform data in templates.\n\n188. **Vue.js Transitions and Animations**: Add transitions and animations to Vue.js components for smooth UI effects.\n\n189. **Vue.js Unit Testing**: Write unit tests for Vue.js components using testing libraries like Jest.\n\n190. **Vue.js End-to-End Testing**: Perform end-to-end (E2E) testing of a Vue.js application using tools like Cypress.\n\n191. **Vue.js Routing Guards**: Create routing guards in Vue.js to control access to routes based on conditions like authentication.\n\n192. **Vue.js Server-Side Rendering (SSR)**: Set up server-side rendering (SSR) for a Vue.js application.\n\n193. **Vue.js Internationalization (i18n)**: Implement internationalization and localization in a Vue.js application.\n\n194. **Vue.js Lazy Loading**: Optimize a Vue.js application by lazy-loading components and routes.\n\n195. **Vue.js Composition API**: Develop components using the Vue.js Composition API for more flexible and reusable code.\n"
  }
]