JavaScript Introduction 🚀
JavaScript is a dynamic programming language primarily used for enhancing web pages with interactive elements. Here's a quick guide to get started:
📚 Core Concepts
- Variables: Use
let
orconst
to declare variables.
💡 Example:let message = "Hello, World!";
- Functions: Define reusable blocks of code.
💡 Example:function greet() { console.log(message); }
- Events: Respond to user interactions like clicks or form submissions.
📌 Learn more about JavaScript Events for advanced handling.
🌐 Use Cases
- Frontend development (e.g., DOM manipulation, animations)
- Backend development with Node.js
- Building dynamic web applications and single-page apps (SPAs)
💻 Example Code
// Simple alert
alert("Welcome to JavaScript!");
// Adding event listener
document.getElementById("myButton").addEventListener("click", function() {
this.style.backgroundColor = "lightblue";
});
📖 Learning Resources
- JavaScript Basics for foundational knowledge
- Web Development Frameworks to explore advanced tools