✅ *Web Development Mock Interview Questions: Part-2* 🧑‍💻🌍

 ✅ *Web Development Mock Interview Questions: Part-2* 🧑‍💻🌍

1️⃣ *Q: What is the difference between `id` and `class` in HTML?*  

*A:*  

- `id`: Unique identifier for a single element.  

- `class`: Can be used on multiple elements for styling or scripting.  

2️⃣ *Q: What are media queries in CSS?*  

*A:* Media queries allow applying different styles based on device properties like screen width, height, orientation, etc. Used for responsive design.

3️⃣ *Q: What is the difference between cookies, localStorage, and sessionStorage?*  

*A:*  

- *Cookies:* Sent with every request, limited size (~4KB).  

- *localStorage:* Stores data with no expiration.  

- *sessionStorage:* Clears when tab is closed.

4️⃣ *Q: What is the difference between inline, block, and inline-block elements?*  

*A:*  

- *Inline:* Flows with text, can’t set width/height.  

- *Block:* Takes full width, starts on new line.  

- *Inline-block:* Like inline but respects width/height.

5️⃣ *Q: How does event bubbling work in JavaScript?*  

*A:* Event bubbling means events propagate from the target element up to its parents, triggering any matching event listeners.

6️⃣ *Q: What is a RESTful API?*

*A:* A RESTful API follows REST principles, using standard HTTP methods and stateless communication to interact with resources (like JSON data).

7️⃣ *Q: What is the difference between synchronous and asynchronous JavaScript?*  

*A:*  

- *Synchronous:* Code runs one line at a time, blocking the thread.  

- *Asynchronous:* Allows non-blocking operations using callbacks, promises, or async/await.

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