Few Core Concepts in React JS

React JS

1. What is React?

2. What is JSX?

3. What is the difference between Element and Component?

4. How to create components in React?

  1. Function Components: This is the simplest way to create a component. Those are pure JavaScript functions that accept props object as first parameter and return React elements:

5. What is state in React?

6. What are props in React?

  1. Pass custom data to your component.
  2. Trigger state changes.
  3. Use via this.props.reactProp inside component's render() method.

7. What is the difference between state and props?

8. What is Virtual DOM?

9. How Virtual DOM works?

  1. Whenever any underlying data changes, the entire UI is re-rendered in Virtual DOM representation.

10. What are Higher-Order Components?

  1. Code reuse, logic and bootstrap abstraction.
  2. Render hijacking.
  3. State abstraction and manipulation.
  4. Props manipulation.

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I am Aiman. I am a web developer. I can learn anything at any time. For that, I take the help of Google. My core skill is based on JavaScript .

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Ahad Hossain Aiman

Ahad Hossain Aiman

I am Aiman. I am a web developer. I can learn anything at any time. For that, I take the help of Google. My core skill is based on JavaScript .

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