Frequently Asked Questions (FAQ)

What is HTML?

HTML stands for HyperText Markup Language. It is the standard language used to create web pages and web applications. HTML provides the structure for web content.

What is CSS?

CSS stands for Cascading Style Sheets. It is used to style HTML elements, such as changing colors, fonts, and layout of a webpage.

What is JavaScript?

JavaScript is a programming language used to make websites interactive. It allows you to manipulate the content of a webpage and create dynamic behavior.

Can I use JavaScript for back-end development?

Yes, JavaScript can be used for back-end development through environments like Node.js. This allows you to run JavaScript on the server side, enabling full-stack development with a single language.

What is the difference between var, let, and const in JavaScript?

The difference lies in the scope and mutability of the variables:

var: A function-scoped or globally-scoped variable (before ES6). It can be re-assigned and re-declared.
let: A block-scoped variable introduced in ES6. It can be re-assigned but not re-declared within the same scope.
const: A block-scoped constant introduced in ES6. It cannot be re-assigned or re-declared once initialized.

How do I start learning web development?

To start learning web development, focus on mastering the following topics:

HTML - Learn the structure of web pages.
CSS - Learn how to style your web pages and create responsive layouts.
JavaScript - Learn how to add interactivity to your pages.
After mastering the basics, explore frameworks and libraries like React, Vue.js, or Angular.

Any resources for beginners?

Here are some great resources to get started: