Javascript — Data Types in JavaScript

JavaScript has different types of data:

• String: text
• Number: numbers
• Boolean: true/false
• Array: list of items
• Object: key-value pairs
• null and undefined: empty values

let name = \"Alice\"; // String
let age = 30;        // Number
let isOnline = true; // Boolean
let colors = [\"red\", \"blue\"]; // Array
let person = { name: \"Alice\", age: 30 }; // Object