Questions
- How do using let differ from var in for loop
- css property for hiding scroll bar
- what are default export and named exports?
- difference bw display: none & visibility: hidden
- partial in typescript
- record in typescript
- custom hooks different from utility functions
- How to empty an array → Array.length = 0
- write a debounce function
- useContext
- react 19 new features
- react compiler
- Render phase vs commit phase
- critical rendering path
- semantic html elements - header, footer, body, nav, section, article, aside - used for SEO, clear in its meaning for the browser, gives structure
- how to create a responsive layout
- specificity
- css selectors
- javascript module
- how to optimize react performance
- Importance of keys in lists
- can we use keys outside of lists
- can we use async function as callback for useeffect
- prototypal inheritance
- web performance optimization
- Explain React Hooks and their purpose
- graphql apis vs rest apis
- Differences between
useMemoanduseCallback, and when to use each - Real-world scenarios requiring these optimization hooks
- Differences between
useLayoutEffectanduseEffect, including execution timing and use cases - Techniques for optimizing React applications
- SEO improvement strategies for React apps
- Common security vulnerabilities and mitigation approaches
- redundant array of independent disks
- server components vs client components
- "Production page is blank but works fine in development - how do you debug and resolve?"
- Differences between Debouncing and Throttling, and their implementation
- Hands-on coding with the Array
reduce()method - responsiveness for all devices
- tailwindcss - spacing, breakpoints, utilities
- currying
- how this works
- what happens when we give an url in the browser - Dns, tcp, http
- is js pass by value or pass be reference
- diff bw type and interface
- So I can't use async functions in event handlers?
- how to optimize for multiple clicks on a submit button?
- diff bw useState and useRef and can we set a reference of an dom element with useState
- can we use async functions directly as async functions in event handlers
- diff bw useCallback and useMemo
- which is preferred (can I) set function returned from useCallback as a dependency array for my useEffect or as a prop for my component, how the whole dynamics work