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JavaScript
JavaScript
Explain the difference between HTML4 and HTML5.
Short answer: HTML5 is the modern evolution of HTML4, introducing better structure, multimedia support, and APIs.
Explain a bit more
Follow me on LinkedIn: HTML4 mainly focused on document markup, while HTML5 focuses on building interactive web applications. Key differences: Feature HTML4 HTML5 Doctype Long and complex Simple <!DOCTYPE html> Multimedia Needs Flash Native <audio> and <video> Semantics Limited New tags: <header>, <footer>, <article>, <nav> Storage Cookies localStorage, sessionStorage Forms Basic New input types: email, date, number
Example code
<!DOCTYPE html> <html> <body> <header> <h1>HTML5 Example</h1> </header> </body> </html> Key Takeaway: HTML5 = Simpler, smarter, and built for modern web apps.Real-world example (ShopNest)
ShopNest’s browser cart uses modern JavaScript: fetch APIs with async/await, modules, and clear error handling.
Say this in the interview
- Define — one clear sentence (the short answer above).
- Example — relate it to a project like ShopNest or your real work.
- Trade-off — when you would not use it.
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