What is JavaScript?
The programming language that makes websites interactive and dynamic
Why It Matters
JavaScript runs in every web browser and is essential for any interactive web application
Real-World Example
The dropdown menus, form validation, and animations on a website are typically powered by JavaScript
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Related Terms
React
A popular tool for building user interfaces, created by Facebook, that makes complex UIs easier to manage
TypeScript
JavaScript with added type checking that catches errors before your code runs
Node.js
A platform that lets you run JavaScript on servers, not just in browsers
Full-stack
Working on both the frontend (what users see) and backend (the server and database) of an application
Environment Variables
Secret settings stored outside your code, like passwords and API keys
.env File
A file that stores environment variables for your local development environment