Variables & Data Types

Definition

JS has primitives (String, Number, Boolean, Null, Undefined, Symbol, BigInt) and Objects. Primitives are passed by value (stack), while Objects are passed by reference (heap).

Explain Like I'm New

Numbers are boxes you can copy easily. Objects are houses; if you copy the address and someone paints the house red, both you and your friend see a red house.

Interactive Coding Challenges

Write a function to implement the core logic of Variables.

Solution Code

Console output will appear here...

This is the most straightforward brute-force or fundamental approach.