Part 1 - JavaScript Code Challenge using code wars

Published: 24 November 2025
on channel: The Tech Stack

In this video, I tackle a simple Codewars challenge using a standard for loop approach and then show how to optimize it to a single line using a ternary operator. 💻✨
If you’re learning JavaScript and want to improve your coding efficiency, this is a perfect example of writing cleaner, shorter, and more elegant code.
What you’ll learn in this video:
How to solve a basic Codewars problem with a for loop
How to refactor your code to a single-line solution
Using the ternary operator for concise conditional logic
Tips for writing readable and optimized JavaScript
💡 Challenge: Turning multi-line logic into a concise, one-line expression using ternary operators.
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Tags / Keywords:
JavaScript, Codewars, Coding Challenge, Ternary Operator, For Loop, JavaScript Optimization, Clean Code, Beginner JavaScript, One-Line Code

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