Frontend

What is CSS specificity in selectors?

Have you encountered class components in React?

Have you had a code review on your project?

Why is the history epoch mechanism needed and what scenarios does it cover?

Can you implement passing the value from the child input to the parent component so that the parent can validate the code and submit the form?

[name] explains the time and space complexity of the string normalization function in this solution and what it depends on.

Middle

Pyrus

There is a vanilla JavaScript application and a React application: both have a paragraph and a button that changes the paragraph text on click. Where will the change happen faster and what will be more optimal?

What was the project written in at your last place of work?

Is there anything in React 18 that cannot be implemented with functional components and would require classes?

You fixed a bug, but the manager reports that it still reproduces in production, although everything works locally. What could be the reason?

Middle

Pyrus

How does the browser send HttpOnly cookies if JavaScript does not have access to them?

What is your opinion on TypeScript: is it necessary for every project?

Which property can be used to control the stacking order of positioned elements?

When did you graduate from university?

What two or three conditions are necessary for you to perform your work quickly, qualitatively, and effectively?

What are the ways to bypass subscribers stored in a Set?

Have you encountered lazy loading in React? How does it work?

What is the difference between CommonJS and ES Modules? Which is preferable and how to split a large bundle, loading modules only when needed?

Do you use Grid and Flexbox? What's the difference between them and what would you choose for a large project?

There is a reactive object with keys A and B; computed depends only on A. Will the computed be recalculated when B changes and why?