Frontend

How much have you worked with React, on which versions, and have you had to write class components?

What questions do you have for the company?

What is a higher-order component (HOC)?

What exactly is loaded when the frontend page loads?

If a CSS file is 50 MB, what can be done on the frontend to solve the problem?

What is the difference between HTTP GET and POST requests? Can data be technically changed on the server in response to a GET?

How do you engage in professional self-education: do you read books, take courses?

Have you ever worked with JWT, access token, and refresh token? Where can tokens be stored and how do localStorage and sessionStorage differ?

How does useMemo work and when should it be used?

Why do you want to change your job?

Is there a component in React 18 that cannot be implemented without classes?

How do you use AI in pet projects? Do you connect it as an agent to the whole project?

What can be in the queue of JavaScript micro-tasks?

What React hooks have you used? Which versions of React have you worked with, and do you have experience with vanilla JavaScript?

What happens after entering the website address in the browser and pressing Enter?

Tell us how you came into frontend development and why you chose React?

To which queue does the onclick handler belong, and will scrolling work if a long microtask is executing?

What is the difference between authentication and authorization?

By which protocol and HTTP method is GraphQL usually transmitted?

What have you had to work on in frontend development? What commercial projects have you been involved in, and what technologies were used?