HTML

The language for building web pages

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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>
                
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CSS

The language for styling web pages

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CSS Example:

body {
  background-color: lightblue;
}

h1 {
  color: white;
  text-align: center;
}

p {
  font-family: verdana;
  font-size: 20px;
}

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JavaScript

The language for programming web pages

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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>
                
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Python

A popular programming language

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Python Example:

if 5 > 2:
print("Five is greater than two!")

# This is a comment
x = 5
y = "Hello, World!"
print(y)

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SQL

A language for accessing databases

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SQL Example:

SELECT * FROM Customers
WHERE Country='Mexico';

SELECT * FROM Products
ORDER BY Price DESC;

INSERT INTO Customers (Name, City)
VALUES ('John', 'London');

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PHP

A web server programming language

Learn PHP PHP Reference Get Certified

PHP Example:

<?php
$txt = "PHP";
echo "I love $txt!";

// This is a single-line comment
/* This is a multi-line comment */

$x = 5;
$y = 10;
echo $x + $y;
?>

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jQuery

A JS library for developing web pages

Java

A programming language

C++

A programming language

W3.CSS

A CSS framework for faster web pages

Bootstrap

A CSS framework for designing web pages

Excel

Spreadsheet program

XML

Data transport and storage

React

A JavaScript library

Code Editor

With our online code editor, you can edit code and view the result in your browser

Hello World!

This is a paragraph.

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HTML

HTML Example:

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CSS Example:

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JavaScript Example:

Python

Python Example:

SQL

SQL Example:

PHP

PHP Example:

jQuery

Java

C++

W3.CSS

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Excel

XML

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Learn to Code

HTML

HTML Example:

CSS

CSS Example:

JavaScript

JavaScript Example:

Python

Python Example:

SQL

SQL Example:

PHP

PHP Example:

jQuery

Java

C++

W3.CSS

Bootstrap

Excel

XML

React

Code Editor

Hello World!

W3Schools Spaces

Become a Plus User

Exercises and Quizzes

📝 Exercises

❓ Quizzes

Web Templates

Kickstart your career

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