Stealth

Frontend Engineer

Technical0–1 yrsFrontendJan 2026

8 Questions

01

As a button component, would you use it as a client component or a server component ?

02

if you have a given expression like this function parseValue(value:string | number) { return value; } const result1 = parseValue("Hello"); const result2 = parseValue(42); i want that the result should be rather a number or a string instead it appearing like number | string it should be just a number or string

03

Create a reddit like thread component where I would be able to manage sub comments as well atmost 5 levels of depth.

04

difference betweene useMemo, react.memo and useCallback?

05

how can you optimise a react application where the network quality is bad ?

06

what can be the reasons for memory leaks on a website?

07

difference between a useEffect and useLayoutEffect ?

08

when are we supposed to use any and unknown in typescript?

Rajeev·Mar 2026

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