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Senior Frontend Developer Interview Questions

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1,622 senior frontend developer interview questions shared by candidates

Question 1 - Asked about largescale virtualization lists, with random height and width, and to develop a 2 user chat system in same tab. Interview 2 - Create your own useSelector type hook. You are given a store.js file, where you have get, set, delete functions. You have to develop a hook through which we pass the key and get the value of that key from store, also if we delete the key, all the components, using useSelector for that key should be triggered. Question3: How do you tell a user on web, that a new version of application is avaialble, reload page.
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Senior Frontend Developer

Interviewed at Suki AI

4.1★
Dec 12, 2025

Question 1 - Asked about largescale virtualization lists, with random height and width, and to develop a 2 user chat system in same tab. Interview 2 - Create your own useSelector type hook. You are given a store.js file, where you have get, set, delete functions. You have to develop a hook through which we pass the key and get the value of that key from store, also if we delete the key, all the components, using useSelector for that key should be triggered. Question3: How do you tell a user on web, that a new version of application is avaialble, reload page.

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