Functions in JavaScript | Complete JavaScript Course 2025 | Part 4

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Ever wondered how to write clean, efficient JavaScript code that avoids repetition? This video dives into the DRY principle (Don't Repeat Yourself) and how it can transform your coding practices. We'll start with an Introduction to Functions, exploring their importance and how they help keep your code DRY. You'll continue to deepen your understanding with Functions Continued, learning more about the intricacies of writing and using functions effectively.Next, we'll get hands-on with Writing functions in JS, showing you how to create and utilize them in real-world scenarios. You'll apply this knowledge by printing even numbers in a range and learn essential debugging techniques in Debugging Functions. We'll also cover Arguments and Parameters, crucial for making your functions flexible and reusable.Finally, we'll explore additional concepts and tackle a practical problem with Is prime (Less optimized), helping you understand function optimization. By the end of this video, you'll be equipped with the skills to write efficient, clean, and reusable JavaScript code, making your development process smoother and more effective.

00:00 DRY
5:50 Introduction to Functions
11:43 Functions Continued
16:37 Writing functions in JS
31:11 Print even numbers in a range
33:52 Debugging Functions
46:28 Arguments and Parameters
54:54 Exploring things
56:22 Problem Solving - Is prime(Less optimised)

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Видео Functions in JavaScript | Complete JavaScript Course 2025 | Part 4 канала Sanket Singh