The Complete JavaScript Course 2025

This complete JavaScript course is all you need to master JavaScript in just 3.5 hours!

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Project source code's
Online Calculator: github.com/hayk-simonyan/online-calculator
Quiz App: github.com/hayk-simonyan/quiz-app

🔖 Timestamps

Module 1: Introduction to JavaScript
0:00:00 - Welcome & Course Outline
0:02:17 - What is JavaScript?
0:05:49 - JavaScript in Action
0:09:43 - Setting Up Your Development Environment
0:18:19 - How JavaScript is Executed?
0:24:39- JavaScript vs Java vs ECMAScript

Module 2: JavaScript Building Blocks (Part 1)
0:27:55 - Welcome & Project Setup
0:31:12 - Variables
0:38:15 - Variable Naming Best Practices
0:46:36 - Getting Input Values
0:50:09- Functions
0:57:35 - Primitive Data Types
1:03:04 - Operators & Control Flow
1:11:42 - Advanced Operators
1:24:17 - Input Validation
1:31:19 - Switch Statements

Module 3: JavaScript Building Blocks (Part 2)
1:35:20 - Welcome & Section 3 Roadmap
1:37:34 - Loops
1:47:43 - Loops Exercise
1:57:23 - Arrays
2:05:30 - Arrays Exercise
2:07:55 - Objects
2:12:50 - this keyword
2:18:30 - Destructuring, Spread and Rest Operators
2:25:17 - Exercises
2:30:41 - Primitive vs Reference Types
2:38:14 - Scope & Closures

Module 4: Document Object Model (DOM)
2:44:14 - Introduction to the DOM and the Quiz App
2:49:00 - Selecting DOM Elements
2:55:06 - Creating & Manipulating DOM Elements
3:00:51 - Handling Events
3:08:40 - Submitting the Answer and Showing Results
3:15:31 - Displaying the Final Score
3:22:15 - Collecting & Displaying Wrong Answer