Conditional Statements in JavaScript
Branch with if/else and switch for multi-path logic.
Branch with if/else and switch for multi-path logic.
Know typeof results for string, number, boolean, null, undefined, symbol, bigint, and object.
Contrast primitives (copied by value) with objects (referenced).
Convert types explicitly with Number, String, Boolean, and parsing helpers.
Understand implicit conversions with ==, +, and conditionals.
Use arithmetic, assignment, comparison, logical, and other operators.
Toggle classes and inline styles from JavaScript for interactive UI.
Declare bindings with let/const (prefer) and understand legacy var.