Lesson 01 · JavaScript
JavaScript Foundations: Values, Variables & Types
How JavaScript represents data: values, the primitive types, const and let bindings, template literals, and deliberate type conversion.
Learning objectives
By the end of this lesson, you will be able to:
- Declare variables with const and let, and know when each applies
- Distinguish JavaScript's primitive types
- Read and write template literals
- Use typeof and know its quirks
- Convert between types deliberately