Remove Duplicates from Array & Reverse Words in String Using JavaScript | Interview Questions

Pubblicato il: 26 dicembre 2025
sul canale di: code_with_puja

In this video, we solve two very important JavaScript interview questions step by step with clear explanations and edge cases.

🟡 Question 6: Remove Duplicates from an Array
Learn how to remove duplicate elements from an array while preserving the original order using modern JavaScript features like Set.

🟡 Question 7: Reverse Words in a String
Understand how to reverse the order of words in a sentence (not characters) and handle tricky cases like extra spaces and empty strings.

These questions are frequently asked in JavaScript interviews, frontend developer interviews, and MERN stack interviews.

📌 What you will learn in this video:
• How Set works in JavaScript
• How to remove duplicates efficiently
• How to reverse words using split, reverse, and join
• How to handle edge cases properly
• Clean and readable JavaScript logic

👩‍💻 Perfect for:
• JavaScript beginners
• Frontend developers
• MERN stack developers
• Interview preparation
• Coding practice

If you are preparing for JavaScript interviews, make sure to watch till the end and practice along with me.

👍 Like the video if it helped
💬 Comment your doubts
🔔 Subscribe for more JavaScript interview questions

• Uses ES6 JavaScript syntax
• Maintains original array order
• Handles empty input safely
• Covers real interview edge cases
• Clean and optimized code
• Beginner to intermediate friendly

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