Master JavaScript in 7 Hours (2025) 🚀 | From Zero to Hero | Tamil

Learn JavaScript from the ground up — covering every concept, from variables and functions to DOM, async programming, and real-world projects. No prior coding experience required — **start from zero and end as a confident JavaScript developer!** ### ⏱️ **Timestamps & Chapters** **Intro & Setup** 0:00 – Intro 2:40 – Setup Environment for JavaScript **Variables & Data Types** 3:50 – Variables in JavaScript 9:31 – Hoisting Explained 11:47 – Variable Scope in JavaScript 17:00 – Variable Keyword Scope (var, let, const) 18:30 – Type Coercion in JavaScript 19:45 – Logical Operator Return Values 23:13 – Equality Operators (== vs ===) 24:19 – Nullish Coalescing Operator 27:34 – Primitive vs Reference Types 30:07 – Truthy & Falsy Values + Short-circuit Evaluation 33:32 – Template Literals & Multi-line Strings 37:13 – Symbol Type **Type Checking & Type Conversion** 39:34 – Type Checking & Type Conversion 39:34 – String Datatype & String Methods **Functions** 54:00 – Functions in JavaScript 59:39 – Closure Explained 1:01:40 – Arrow Functions & Lexical this 1:06:23 – Default & Rest Parameters 1:08:45 – Callback Hell & How to Avoid **Arrays** 1:20:12 – Arrays in JavaScript 1:28:40 – Array forEach Method 1:30:21 – Array map Method 1:35:56 – Array filter Method 1:42:38 – Array find Method 1:44:13 – Array some Method 1:45:50 – Array reduce Method 1:49:24 – Advanced Array Methods: flat, flatMap, findIndex, every, includes 1:59:44 – Array Sorting & Reversing **🧩 Project 1: Student Score System** 2:02:34 – Build a Student Score System **Objects** 2:24:51 – Working with Objects 2:35:13 – Object values() Method 2:36:37 – Object keys() Method 2:38:07 – Object entries() Method 2:41:17 – Object freeze() Method 2:43:08 – Object seal() Method 2:44:49 – Understanding the this Keyword 2:48:29 – new Keyword in JavaScript 2:49:56 – JavaScript Prototypes 2:54:08 – JavaScript Classes 2:56:34 – Object Destructuring in Functions 3:00:15 – Getters & Setters 3:05:08 – Object Methods Shorthand **👩‍💼 Project 2: Employee Management System** 3:07:42 – Build an Employee Management System **Loops & Modern JS Features** 3:35:46 – For...in Loop 3:41:29 – Spread Operator & Rest Operator 3:46:30 – Destructuring Assignment 3:49:47 – Nested Destructuring 3:51:39 – Optional Chaining 3:54:29 – Try-Catch Error Handling **Promises & Async** 4:04:04 – Understanding Promises 4:10:25 – Promise then() Method 4:14:49 – Promise catch() Method 4:20:27 – Why Promises Are Needed 4:31:35 – Async/Await Simplified 4:37:31 – Fetch API (GET & POST) + JSON.parse / JSON.stringify 4:47:03 – Async Iteration: for await...of 4:51:52 – setTimeout in JavaScript 4:53:56 – setInterval in JavaScript 4:55:32 – LocalStorage in JavaScript 5:00:03 – ES Modules (import/export) **DOM Manipulation** 5:04:40 – Introduction to DOM 5:06:26 – Get Element by ID 5:12:14 – Get Element by Name 5:17:43 – Get Elements by Class Name 5:23:00 – Get Elements by Tag Name 5:27:10 – Query Selector 5:30:18 – Query Selector All 5:32:34 – Access Child Elements 5:36:06 – Access Parent Element 5:38:14 – Create DOM Elements 5:43:22 – Remove DOM Elements 5:46:48 – Get Attribute of an Element 5:49:18 – Create or Update Attributes **DOM Events Handling** 5:52:07 – JavaScript Events 5:52:51 – Types of Event Handlers 5:58:30 – Mouse Event Handling 6:06:09 – Keyboard Event Handling 6:10:28 – Event Delegation 6:14:00 – Class List Manipulation: add, remove, toggle 6:18:15 – Form Handling & Validation **🧠 Project 3: Quiz App** 6:30:26 – Quiz App Overview 6:32:57 – JavaScript Data & Setup 6:37:58 – Show Questions Dynamically 6:46:04 – Handle Answer **Conclusion** 7:04:00 – Conclusion 🤝 **Donate & Help this Channel:** UPI: 9444914384@okbizaxis PayPal: https://paypal.me/jvlogesh Buy me Kofi : https://ko-fi.com/jvlcode 🌐 **Join Udemy Courses** React Developer Course: https://udemy.com/course/react-developer-course-in-tamil/ Angular Course: https://www.udemy.com/course/angular-developer-course-in-tamil/ 📧 **Contact Information:** 📬 Email: updatelogesh@gmail.com 🔗 LinkedIn: https://linkedin.com/company/jvl-code 📷 Instagram: https://www.instagram.com/jvlcode 📱 Whatsapp: https://whatsapp.com/channel/0029VaCuQaGJP20yNnFF4Z0H 📘 Facebook: https://www.facebook.com/jvlcode 🌐 Website: https://www.jvlcode.com 🔔 For business inquiries or collaborations, please use the provided contact information. Thank you for your support! Don't forget to like, share, and subscribe for more content! 🔔