What is TypeScript?
JavaScript with added type checking that catches errors before your code runs
Why It Matters
TypeScript prevents many common bugs and makes code easier to understand, especially in larger projects
Real-World Example
TypeScript would catch if you accidentally tried to use a number where text was expected
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Related Terms
JavaScript
The programming language that makes websites interactive and dynamic
Linting
Automatically checking your code for errors, bugs, and style issues
Type Checking
Verifying that data types match what your code expects
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