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Learn to Code
=============
### With the world's largest web developer site.
#### [Not Sure Where To Begin?](where_to_start.asp)
HTML
====
The language for building web pages
[Learn HTML](/html/default.asp)
[Video Tutorial](https://www.w3schools.com/videos/index.php "HTML video tutorial")
[HTML Reference](/tags/default.asp)
[Get Certified](https://campus.w3schools.com/collections/certifications/products/html-certificate "Add HTML Certification")
### HTML Example:
<!DOCTYPE html>
<html\>
<head\>
<title\>HTML Tutorial</title\>
</head\>
<body\>
<h1\>This is a heading</h1\>
<p\>This is a paragraph.</p\>
</body\>
</html\>
[Try it Yourself](/html/tryit.asp?filename=tryhtml_default_default)
CSS
===
The language for styling web pages
[Learn CSS](/css/default.asp)
[CSS Reference](/cssref/index.php)
[Get Certified](https://campus.w3schools.com/collections/certifications/products/css-certificate "Add CSS Certification")
### CSS Example:
body { background-color: lightblue;}
h1 { color: white;
text-align: center;}
p { font-family: verdana;}
[Try it Yourself](/css/tryit.asp?filename=trycss_default)
JavaScript
==========
The language for programming web pages
[Learn JavaScript](/js/default.asp)
[JavaScript Reference](/jsref/default.asp)
[Get Certified](https://campus.w3schools.com/collections/certifications/products/javascript-certificate "Add JavaScript Certification")
### JavaScript Example:
<button onclick\="myFunction()"\>Click Me!</button\>
<script\>
function myFunction() {
let x = document.getElementById("demo");
x.style.fontSize = "25px";
x.style.color = "red";
}
</script\>
[Try it Yourself](/js/tryit.asp?filename=tryjs_default)
Python
======
A popular programming language
[Learn Python](/python/default.asp)
[Python Reference](/python/python_reference.asp)
[Get Certified](https://campus.w3schools.com/collections/certifications/products/python-certificate "Add Python Certification")
### Python Example:
if 5 > 2:
print("Five is greater than two!")
[Try it Yourself](/python/trypython.asp?filename=demo_indentation)
SQL
===
A language for accessing databases
[Learn SQL](/sql/default.asp)
[SQL Reference](/sql/sql_ref_keywords.asp)
[Get Certified](https://campus.w3schools.com/collections/certifications/products/sql-certificate "Add SQL Certification")
### SQL Example:
SELECT \* FROM Customers
WHERE Country='Mexico';
[Try it Yourself](/sql/trysql.asp?filename=trysql_select_where)
PHP
---
##### A web server programming language
[Learn PHP](/php/default.asp)
jQuery
------
##### A JS library for developing web pages
[Learn jQuery](/jquery/default.asp)
Java
----
##### A programming language
[Learn Java](/java/default.asp)
C++
---
##### A programming language
[Learn C++](/cpp/default.asp)
W3.CSS
------
##### A CSS framework for faster and better responsive web pages
[Learn W3.CSS](/w3css/default.asp)
Bootstrap
---------
##### A CSS framework for designing better web pages
[Learn Bootstrap](/bootstrap/bootstrap_ver.asp)
[
C
-
](/c/index.php "C Tutorial")
[
C#
--
](/cs/index.php "C# Tutorial")
[
R
-
](/r/default.asp "R Tutorial")
[
Kotlin
------
](/kotlin/index.php "Kotlin Tutorial")
[
Node.js
-------
](/nodejs/default.asp "Node.js Tutorial")
[
React
-----
](/react/default.asp "React Tutorial")
[
JSON
----
](/js/js_json.asp "JSON Tutorial")
[
Vue
---
](/vue/index.php "Vue Tutorial")
[
MySQL
-----
](/mysql/default.asp "MySQL Tutorial")
[
XML
---
](/xml/default.asp "XML Tutorial")
[
Sass
----
](/sass/default.php "Sass Tutorial")
[
Icons
-----
](/icons/default.asp "Icons Tutorial")
[
RWD
---
](/css/css_rwd_intro.asp "Responsive Web Design Tutorial")
[
Graphics
--------
](/graphics/default.asp "Graphics Tutorial")
[
SVG
---
](/graphics/svg_intro.asp "SVG Tutorial")
[
Canvas
------
](/graphics/canvas_intro.asp "Canvas Tutorial")
[
Raspberry Pi
------------
](/nodejs/nodejs_raspberrypi.asp "Raspberry Pi Tutorial")
[
Cyber Security
--------------
](/cybersecurity/index.php "Cyber Security Tutorial")
[
Colors
------
](/colors/default.asp "Colors Tutorial")
[
Git
---
](/git/default.asp "Git Tutorial")
[
Matplotlib
----------
](/python/matplotlib_intro.asp "Python Matplotlib Tutorial")
[
NumPy
-----
](/python/numpy/default.asp "Python NumPy Tutorial")
[
Pandas
------
](/python/pandas/default.asp "Python Pandas Tutorial")
[
SciPy
-----
](/python/scipy/index.php "Python SciPy Tutorial")
[
ASP
---
](/asp/default.asp "ASP Tutorial")
[
AngularJS
---------
](/angular/default.asp "AngularJS Tutorial")
[
AppML
-----
](/appml/default.asp "AppML Tutorial")
[
Go
--
](/go/index.php "Go Tutorial")
[
TypeScript
----------
](/typescript/index.php "TypeScript Tutorial")
[
Django
------
](/django/index.php "Django Tutorial")
[
MongoDB
-------
](/mongodb/index.php "MongoDB Tutorial")
[
Statistics
----------
](/statistics/index.php "Statistics Tutorial")
[
Data Science
------------
](/datascience/default.asp "Data Science Tutorial")
[
PostgreSQL
----------
](/postgresql/index.php "PostgrSQL Tutorial")
[
HowTo
-----
](/howto/default.asp "How To - Code snippets")
[
Code Game
---------
](/codegame/index.html "Code Game")
[
Spaces
------
](/spaces/index.php "Spaces - free web hosting")
[
Typing Speed
------------
](/typingspeed/default.asp "Graphics Tutorial")
[
Excel
-----
](/excel/index.php "Excel Tutorial")
[
DSA - Data Structures and Algorithms
------------------------------------
](/dsa/index.php "DSA Tutorial")
[
Machine Learning
----------------
](/python/python_ml_getting_started.asp "Machine Learning Tutorial")
[
Artificial Intelligence
-----------------------
](/ai/default.asp "Artificial Intelligence Tutorial")
Code Editor
===========
#### With our online code editor, you can edit code and view the result in your browser
Frontend Backend
[Try Frontend Editor (HTML/CSS/JS)](/tryit/tryit.asp?filename=tryhtml_hello)
[Try Backend Editor (Python/PHP/Java/C..)](/tryit/trycompiler.asp?filename=demo_python)
W3Schools Spaces
================
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===========
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Become a Plus User
==================
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* Browse W3Schools **without ads**
* Build and host Websites
* Get extra credits
* Priority support
[Learn More](/plus/index.php "Learn more about W3Schools Plus")
Color Picker
============
#### W3Schools' famous color picker:
[](/colors/colors_picker.asp)
For Teachers
============
Streamline your teaching:
* Manage your classroom
* Ready-to-use learning materials
* Customize study plans
* Track student progress
* Interactive coding challenges
[Learn More](/academy/index.php)
[](/academy/index.php)
Code Game
=========
Help the Lynx collect pine cones!
---------------------------------
[](/codegame/index.html)
[Play Game](/codegame/index.html)
Exercises and Quizzes
---------------------
#### Test your skills!
[Exercises](/exercises/index.php)
[Quizzes](/quiztest/default.asp)
Web Templates
=============
#### Browse our selection of **free** responsive HTML Templates
[](/w3css/w3css_templates.asp)
[Browse Templates](/w3css/w3css_templates.asp)
Kickstart your career
---------------------
Get certified by completing a course
[Get started](https://campus.w3schools.com/collections/course-catalog) w3schools CERTIFIED . 2025
How To Section
--------------
#### Code snippets for HTML, CSS and JavaScript
###### For example, how to create a slideshow:
[Learn How To](/howto/default.asp)
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