Variables

Variables are fundamental programming constructs that store and label data values in memory, allowing developers to reference and manipulate information dynamically within code. They act as named containers for data, such as numbers, text, or objects, enabling reuse and modification throughout a program's execution.

Also known as: vars, identifiers, data containers, storage locations, named values

Why learn Variables?

Developers must learn variables as they are essential for writing functional and maintainable code across all programming languages, used in scenarios like storing user inputs, tracking application state, or performing calculations. Without variables, programs would lack flexibility and the ability to handle dynamic data, making them impractical for real-world applications like web development, data analysis, or game logic.

Learning Resources

• docs: MDN Web Docs: Variables
• tutorial: W3Schools: JavaScript Variables
• video: Khan Academy: Intro to Variables
• tutorial: freeCodeCamp: Variables in Programming