# Naming

Let userName;
let test123;
• There are two limitations for a variable name in JavaScript: 1. The name must contain only letters, digits, symbols $and _. 2. The first character must not be a digit. • Characters$ and _ are normal, on par with letters.
• Non-Latin alphabets and hieroglyphs are also allowed, but commonly not used.

Naming

## Naming — Structure map

Clickable & Draggable!