JavaScript and Web Technologies:-
- HTML: Defines the structure of a webpage.
- CSS: Styles the webpage.
- JavaScript: Adds interactivity and behavior to the webpage.

JavaScript is one of the core technologies of the web.

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Key Features of JavaScript
- Lightweight & Fast: Runs in the browser without needing any external resources.
- Cross-platform: Supported by all modern web browsers.
- Event-driven: Responds to user actions, such as clicks or key presses.
- Versatile: Can be used for both frontend (client-side) and backend (server-side) development (Node.js).

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Uses of JavaScript
- DOM Manipulation: Change the content and style of the webpage dynamically.
- Event Handling: Respond to user actions like clicks, mouseovers, and form submissions.
- Form Validation: Validate user input before submission.
- Animations: Create dynamic effects like sliders, transitions, and more.
- AJAX: Update web content without reloading the page (asynchronous requests).

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Variables in JavaScript

-In JavaScript, variables are used to store data. They are an essential part of any programming
language, as they allow you to store, retrieve, and manipulate data in your programs.

-There are a few different ways to declare variables in JavaScript, each with its own syntax
and rules. In this blog post, we'll take a look at the different types of variables available in
JavaScript and how to use them


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Data Types:-
In JavaScript, there are several data types that you can use to store different types of data. Some common data types include:

-Numbers (e.g. 10, 3.14)
-Strings (e.g. "hello", 'world')
-Booleans (e.g. true, false)
-Arrays (e.g. [1, 2, 3])
-Objects (e.g. { name: "John", age: 30 })


What is JavaScript?
- JavaScript (JS) is a high-level, dynamic programming language
-Primarily used for client-side Scripting in web browsers.
- Allows developers to create interactive and dynamic web pages.

1.What is JavaScript?
2.what is key Features of JavaScript?
3.what is use of JavaScript?
4.what are variables?
5.what is data types?