JavaScript is the world’s most popular programming language and the language of the Web. This tutorial will help you understand the core concepts and get started with your first script.
1. What is JavaScript?
JavaScript is a versatile, high-level programming language primarily used to create interactive and dynamic content on websites. It allows you to implement complex features like interactive maps, animated graphics, and scrolling video jukeboxes.
2. Variables and Data Types
In JavaScript, you use variables to store data. You can declare them using let, const, or var.
let name = "Developer";
const pi = 3.14;
console.log(name);3. Functions
Functions are blocks of code designed to perform a particular task. They are executed when “something” invokes (calls) them.
function greet() {
alert("Hello World!");
}Stay tuned as we dive deeper into loops, arrays, and DOM manipulation in the next parts of this tutorial!