Frontend

Have you ever used generics in your projects?

Determine the value of 'this' in the given code for a regular function, object method, arrow function, detached method, and IIFE.

What does useRef do?

What do you know besides JavaScript?

How does a site like Google determine the user's language and immediately redirect to the appropriate localized version when transitioning from search results?

Middle

Pyrus

Did you have system analysts and who formulated the system requirements?

Middle+

СБЕР

What will the user see in the tab after restarting the backend process with an empty history and automatic RPC connection recovery without reloading the tab?

Has TypeScript been used in your projects?

Besides React, what front-end technologies have you worked with?

Determine the order of console output for the provided code with Event Loop, Promise, setTimeout, and var/let.

Can reduce be used to do what was done in the previous task?

What will happen to the value returned from the `keydown` event handler, and where will it be passed?

function App() { const squares = Array.from({ length: 12 }); return ( ... ) } // 12 red squares, 4 columns and 3 rows, size 64x64, spacing 4 px

Tell about your experience organizing and implementing E2E flow in Playwright for large multi-step forms and user scenarios.

What are the differences between imperative and declarative approaches? Which one does React use?

How many front-end developers were in your team?

Middle+

СБЕР

LeetCode #1 — Write a function that takes an array of numbers and a target, and returns the indices of two numbers whose sum equals the target.

Middle

Selecty

Is the click handler on a button a microtask or a macrotask?

Tell how CSS was organized in the last project.

Middle

Pyrus

How long ago were you laid off?