Introduction to JavaScript

JavaScript is a powerful programming language used for web development.

Variables and Data Types

JavaScript supports strings, numbers, booleans, arrays, and objects.

Operators

JavaScript includes arithmetic, comparison, and logical operators.

Control Structures

Conditional statements like if-else help make decisions in JavaScript.

Functions

Functions help create reusable blocks of code.

Example Function

JavaScript functions return values and perform actions.

Event Handling

JavaScript reacts to user interactions like clicks and key presses.

DOM Manipulation

JavaScript can modify HTML content and styles dynamically.

Arrays and Objects

Arrays store lists of items, and objects hold key-value pairs.

Async Programming

JavaScript supports asynchronous execution with Promises and Fetch API.

Conclusion

JavaScript is essential for modern web development, making websites interactive and dynamic.