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Md Zahed Iqbal
MERN Stack Developer
62kg
weight
5.7In
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38Yrs
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1) Question: How does works React?
2) Question: Difference between Props and State?
3) Question: What is the use of useEffect without data loading ?
React uses a declarative paradigm that makes it easier to reason about your application and aims to be both efficient and flexible. It designs simple views for each state in your application, and React will efficiently update and render just the right component when your data changes.
2) Question: Difference between Props and State?
- 1. The Data is passed from one component to another.
- 2. It is Immutable (cannot be modified).
- 3. Props are read-only.
Props
- 1. The Data is passed within the component only.
- 2. It is Mutable ( can be modified).
- 3. State is both read and write.
State
3) Question: What is the use of useEffect without data loading ?
- 1. Running on state change: validating input field
- 2. Running on state change: live filtering
- 3. Running on state change: trigger animation on new array value