React JS Interview Questions ( useMemo Hook Polyfill )- Frontend Machine Coding Interview Experienc

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React Interview Question on building the Polyfill of useMemo Hook or its custom implementation will be created in this video along with tips and tricks to tackle your React JS and JavaScript Questions in Frontend Machine Coding Interviews.

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00:00 Intro
00:36 What is useMemo Hook?
01:05 Initialise a new React App
01:26 Simple Counter App Example
04:35 useMemo Hook Example
06:40 Book a 1:1 Call with me
07:00 Custom useMemo Hook Implementation
08:39 Cache Memory for our Hook
10:19 Comparing new and old dependencies
14:21 Unmount / Cleanup Logic
15:48 Using useMemo Polyfill in our App
16:02 Testing our Hook

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