Frontend

What does a JWT token consist of?

Event Loop task: determine the sequence of console output when setTimeout, Promise, and synchronous code are present.

Is it possible to refuse Zustand in favor of React Query (TanStack Query)?

If you create a new Promise and write console.log inside the constructor body, will it go to the microtask or the main stack?

What do you look at in tsconfig when creating a project from scratch?

Which CSS selector has the highest specificity: tag, class, or ID?

Tell me about the development of authorization via OpenID Connect

Have you used requestAnimationFrame?

Tell me more about multilingualism in your project.

What are XSS attacks?

When do typical memory leak problems occur?

How to insert HTML markup received from the backend into a page?

How was your code review process structured?

Did you use any tools for automatic code style control?

Live coding task: rewrite a function that uses callback style (html2pdf) to a Promise-based approach using async/await.

Do you have experience with other state managers besides Zustand?

Provide a practical example of using useRef

Why does the preflight request with the OPTIONS method occur in the browser?

Live coding task: write a function get(object, path) that retrieves a value from an object by a string path (e.g., 'a.b.c')

What is the difference between call and apply?