HTML Reference & Help
Learn the basics of HTML, CSS, and JavaScript to get started. These examples help you understand how your code works in the preview above.
HTML Basics
- All HTML documents start with
<!DOCTYPE html>. - HTML elements are wrapped with
<html>and</html>. - Use headings
<h1>to<h6>for structure. - Paragraphs go inside
<p>tags.
<h1>Hello, World!</h1>
<p>Welcome to HTML.</p>
CSS Example
body {
background-color: #fafafa;
font-family: 'Poppins', sans-serif;
color: #333;
}
JavaScript Example
document.querySelector('h1').style.color = 'green';