W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot …

At W3Schools you will find complete references about HTML elements, attributes, events, color names, entities, character-sets, URL encoding, language codes, HTTP messages, browser support, and more:

W3Schools maintains a complete JavaScript reference, including all HTML and browser objects. The reference contains examples for all properties, methods and events, and is continuously updated …

W3Schools Spaces Build your own website with W3Schools Spaces. Get Started for Free

"W3Schools is a popular online platform that provides web development tutorials and references for various web technologies. It serves as a comprehensive resource for individuals who are learning or …

Note: This is an optional feature. You can study at W3Schools without creating an account.

Note: This is an optional feature. You can study at W3Schools without creating an account.

CSS References At W3Schools you will find complete CSS references of all properties and selectors with syntax, examples, browser support, and more.

SQL References At W3Schools you will find a complete reference for keywords and functions:

With W3Schools online code editor, you can edit HTML, CSS and JavaScript code, and view the result in your browser. The window to the left is editable - edit the code and click on the "Run" button to …