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JavaScript Fundamentals

by Vibecoders Hub

A hands-on introduction to JavaScript for absolute beginners: understand what JavaScript is and why every browser runs it, write and run your first scripts, and learn variables, data types, and operators to build real logic.

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This course ends with a 15-question certification exam. Enroll to work toward it.

Curriculum

Getting Started with JavaScript

  • 1. What Is JavaScript, and Why Does It Matter?Free preview
  • 2. Running JavaScript in the Browser Console and in an HTML File

Variables and Data Types

  • 1. Variables: let, const, and Why var Is Outdated
  • 2. Data Types, typeof, and Template Literals

Operators and Basic Output

  • 1. Arithmetic and Comparison Operators (and the == vs === Trap)
  • 2. Output in Practice: console.log, alert(), and prompt()