JavaScript Functions Explained | Default Parameters, Callback, IIFE & Generator Functions Tutorial

🔥 Complete JavaScript Functions Tutorial in Tamil (34 Minutes) 🔥 Learn everything about JavaScript Functions in this comprehensive Tamil tutorial! Perfect for beginners and interview preparation. 📌 **Topics Covered:** 0:00 - Introduction to Functions 1:15 - Default Parameters in JavaScript - Setting default values - Practical examples with name, department, disability 5:30 - Higher Order Functions - What are Higher Order Functions? - Functions that accept/return other functions 9:45 - Callback Functions - Passing functions as arguments - Real-world examples (add, sub operations) 14:20 - IIFE (Immediately Invoked Function Expression) - Self-invoking functions - Syntax and practical use cases 18:30 - Practical IIFE Example - Sales alert demonstration 22:15 - Generator Functions Introduction - Understanding yield keyword - Function* syntax 27:00 - Generator Function Examples - Multiple yield statements - next() method and values 31:30 - Real-world Generator Applications 34:00 - Summary & Next Steps 💻 **Code Examples Featured:** ```javascript // Default Parameters function form(name, department, disability = "no") { console.log("name:", name); console.log("department:", department); console.log("disability:", disability); } // Higher Order & Callback function add(callback, a, b) { console.log(a + b); callback(20, 20); } // Generator Functions function* gen() { yield "you get 50% flat offer"; yield "try again better luck next time"; yield "you got 100rs cashback"; } 👨‍💻 Perfect for: - JavaScript beginners - Tamil programming students - Web development learners - Interview preparation #JavaScript #TamilProgramming #WebDevelopment #CodingTutorial #JSFunctions #LearnJavaScript #ProgrammingInTamil