What is JavaScript? (+ Code Examples)

JavaScript is a high-level programming language that’s essential for building interactive websites. It’s used for things like animations, form validation, API requests, and more!

Key Features

• Runs in the browser
• Event-driven and asynchronous
• Powers frontend and backend (Node.js)

Simple Examples

Variables:

let name = "Alice"
const age = 25
var country = "USA"

Functions:

function greet(user) {
  return `Hello, ${user}!`
}

console.log(greet("Bob"))

Conditionals:

if (age > 18) {
  console.log("You are an adult.")
} else {
  console.log("You are a minor.")
}

Useful Resources

• MDN JavaScript Guide
• JavaScript.info

Ready to dive deeper? 🚀