How to Print Alternate Elements of an Array in JavaScript (DSA)

📰 Dev.to · Abhishek Gupta

Learn to print alternate elements of an array in JavaScript and improve your coding skills in Data Structures and Algorithms (DSA)

beginner Published 20 Mar 2026
Action Steps
  1. Define an array in JavaScript
  2. Use a for loop with a conditional statement to iterate over the array and print alternate elements
  3. Apply the modulus operator (%) to determine whether an index is even or odd
  4. Test the code with sample arrays to verify the output
  5. Compare the results with expected outputs to ensure correctness
Who Needs to Know This

This micro-lesson is beneficial for software engineers, especially those working on frontend development projects, as it enhances their problem-solving skills in JavaScript

Key Insight

💡 Use the modulus operator (%) to check if an index is even or odd and print alternate elements accordingly

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📚 Print alternate elements of an array in JavaScript! 💻

Key Takeaways

Learn to print alternate elements of an array in JavaScript and improve your coding skills in Data Structures and Algorithms (DSA)

Full Article

🧩 Problem: Alternate Elements of an Array Given an array arr[], your task is to print...
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