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What is the official website of Javascript documentation?
html - How do I download MDN JavaScript documentation for offline use? - Stack Overflow
javascript - How can one download Mozilla's developer's documentation for offline reading? - Stack Overflow
Is mozilla mdn the most complete javascript documentation?
Everytime I search the web for Javascript documentation, I mostly see tutorials, the one from Mozilla.
Where is the real Javascript official documentation?
Download it at https://mdn-downloads.s3-us-west-2.amazonaws.com/developer.mozilla.org.tar.gz
The "Downloading content" section of About MDN provides the above link (for a tarball download) along with guidance on other ways to access the MDN content, both as single pages and via third-party tools.
And others : don't mirror with wget & co, this is putting un-needed pressure on the website and hinders other users. At least make sure https://developer.mozilla.org/robots.txt (which asks for gentle throttling) is properly handled. Wget does not handle this for instance (http://savannah.gnu.org/bugs/?30999).
The JavaScript docs along with most of MDN's web reference pages are available on DevDocs.
The app is open source and can be run offline: https://github.com/Thibaut/devdocs
It's easy to set up and doesn't require scraping MDN.
At this writing, one can still download from the apparently unadvertised URL https://developer.mozilla.org/media/developer.mozilla.org.tar.gz. Whether Mozilla will retain this unadvertised option, or eventually retire it, I do not know.
Below seems dead, here's how to do as of https://kapeli.com/mdn_offline (mentioned by deleted answer below):
Offline MDN Docs
You can download the MDN docs using the table below. Before downloading, please consider using a documentation browsing app like Dash (macOS), Velocity (Windows) or Zeal (Linux) instead. These apps will help you get the most out of the docs, by providing a search index and quick access to everything you need.
CSS.tgz 1 December 2020 HTML.tgz 1 December 2020 JavaScript.tgz 1 December 2020 Note: Includes DOM docs SVG.tgz 1 December 2020
It is advertised.
https://developer.mozilla.org/en-US/docs/MDN/About#Downloading_content states
Downloading content
You can download a full tarball mirror of MDN.