Resources for Developers,
by Developers

Documenting web technologies, including CSS, HTML, and JavaScript, since 2005.

Featured articles

MDN partners with Scrimba to enhance web development learning

We have chosen Scrimba as a course partner for the MDN Curriculum. This blog post explores what the partnership means practically, and how we will provide an even better web education experience together.

Blog

Developer essentials: JavaScript console methods

The JavaScript console is an essential tool for web development. Learn new and fun ways to use the console to display data and debug your code.

Blog

Introduction to web sustainability

What can web designers and developers do to build a more sustainable web? This post explores the environmental impacts of web technologies and looks at some of the ways we can build greener websites.

Web APIs

CSS Custom Highlight API

<p>The CSS Custom Highlight API provides a mechanism for styling arbitrary text ranges on a document by using JavaScript to create the ranges, and CSS to style them.</p>

Latest news

MDN partners with Scrimba to enhance web development learningdeveloper.mozilla.org
6 months ago
Introducing the MDN HTTP Observatorydeveloper.mozilla.org
6 months ago
Lift-off: The MDN Curriculum launchdeveloper.mozilla.org
10 months ago

Recent contributions

Contributor Spotlight

HoChan Lee

MDN is a large, open community where everyone is welcome. It offers a great opportunity to organize thoughts through writing, while sharing and expanding knowledge by engaging with a diverse group of people throughout the contribution process.

Get involved →

Resources for Developers, by Developers