React Placement Interview Notes –

This folder contains a comprehensive set of React interview notes, questions, and code examples to help you prepare for placements and technical interviews.

---

Setting Up a React Project with Vite

  npm create vite@latest my-react-app -- --template react
  cd my-react-app
  npm install
  npm run dev

Getting Started

• To use all the notes and resources, clone this repository:

git clone https://github.com/satyam0777/React-placement-prepration.git cd React-placement-prepration

Folder Structure

• react-interview-notes/
  Contains markdown files for each React topic (e.g., JSX, Props, State, Hooks, Context, etc.).
• React Interview Questions 2.md
  A single file with a collection of interview-style questions, explanations, and code samples.
• # 1. JSX and Components...
  Topic-specific deep-dive files with concepts, examples, key points, and practice questions.

---

How to Use

1. Start with the Topic Files

   • Open any file in react-interview-notes/ or the topic-specific files (e.g., # 1. JSX and Components...).
   • Read the Concept and Why it matters in interviews sections to understand the fundamentals.
   • Study the Example code and Key Points for practical understanding.
   • Try solving the Practice Question at the end of each topic.

2. Use the Interview Questions File

   • Open React Interview Questions 2.md for a curated list of common interview questions.
   • Each question includes an explanation and sample code.
   • Practice answering these questions out loud or by writing code in your editor.

3. Hands-on Practice

   • For each practice question, write your own solution in a new file or a CodeSandbox/StackBlitz project.
   • Compare your solution with the provided examples.

4. Revise Before Interviews

   • Quickly review the Key Points and Example Code sections for each topic.
   • Focus on the most commonly asked topics (see the summary table in the notes).

5. Expand and Personalize

   • Add your own notes, questions, or tricky interview experiences to these files.
   • Update code examples as you learn new patterns or best practices.

Recommended Order

1. JSX and Components
2. Props and State
3. Hooks (useState, useEffect)
4. Conditional Rendering
5. Lists and Keys
6. Event Handling
7. Controlled Components (Forms)
8. Lifting State Up & Prop Drilling
9. Context API
10. Performance Optimization
11. Routing
12. Custom Hooks
13. useRef and DOM Manipulation
14. Children Prop & Composition

---

Good luck with your React interviews!