JavaScript variables hold a wide variety of information and can be used with virtually any data type. Here's how to use variables to store numbers, text strings, objects, and more.

Developers use statements to control the overall program flow, including variable declarations, conditional operations, and iterative processes. Here's how to write JavaScript statements.

var is the oldest variable declaration keyword in JavaScript. Variables declared with var have function scope or global scope. They are hoisted to the top of their scope, which means they can be ...

if, while, ==, var, tuples (using Scala syntax) ; “primitive types” (Int, Long, Double, Float, Boolean), String, List; functions (using the term fun instead of Scala’s def) ; println. This trait has ...