JavaScript is a powerful programming language that brings interactivity to websites. Whether you're a beginner or looking to refresh your skills, this tutorial covers the essentials!
What You'll Learn
- 🧠 Variables and data types
- 🛠️ Functions and control structures
- 🌐 DOM manipulation basics
- 📚 How to integrate with HTML/CSS
Variables: The Building Blocks 📦
Use let and const to declare variables:
let message = "Hello, World!";
const PI = 3.14159;
📌 Tip: const is preferred for values that won’t change.
Functions: Reusable Code 🔧
Define functions with function or arrow syntax:
function greet(name) {
return `Welcome, ${name}!`;
}
const add = (a, b) => a + b;
DOM Interaction 🌐
JavaScript manipulates web pages via the DOM:
document.getElementById("myButton").addEventListener("click", () => {
alert("You clicked the button!");
});
Next Steps
Ready to dive deeper? Check out our JavaScript Advanced Techniques guide for next-level skills!