VARIABLES & DATA TYPES

 Variables (in programming)

A variable is a named container used to store data.

👉 Example (JavaScript):

let name = "Jeeshma";

Here, name is a variable storing a value.

In short:

➡️ Variable = a box that holds data

Data Types

A data type defines what kind of data a variable stores.

👉 Common types:

• String → "Hello"
• Number → 25
• Boolean → true / false
• Array → [1, 2, 3]
• Object → {name: "Jeeshma"}

In short:

➡️ Data Type = type of data inside the box